{"title":"Magpul MBUS Sights \u0026 Backup Iron Sights","description":"\u003cp\u003eBack up your optic with \u003cstrong\u003eMagpul MBUS sights\u003c\/strong\u003e from Onyx Armaments. Our range covers the lightweight polymer \u003cstrong\u003eMBUS 3\u003c\/strong\u003e front and rear flip-up sights and the rugged all-steel \u003cstrong\u003eMBUS Pro\u003c\/strong\u003e series — including front, rear, 45° offset and long-range adjustable models.\u003c\/p\u003e\n\u003cp\u003eEvery sight folds flat to co-witness under your optic and deploys in an instant when you need it. From a budget backup to a sight tough enough to run as a primary, these \u003cstrong\u003eAR-15 backup iron sights\u003c\/strong\u003e hold zero through hard use. £5 tracked UK delivery in 7–10 business days.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMBUS 3 or MBUS Pro?\u003c\/strong\u003e Read our full \u003ca href=\"\/blogs\/buying-guides\/magpul-mbus-3-vs-mbus-pro\"\u003eMBUS 3 vs MBUS Pro comparison\u003c\/a\u003e — polymer vs steel, weight, co-witness and price.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExplore more:\u003c\/strong\u003e all \u003ca href=\"\/collections\/iron-sights-backup-sights\"\u003eIron Sights \u0026amp; Backup Sights\u003c\/a\u003e, more \u003ca href=\"\/collections\/ar-15-parts-accessories\"\u003eAR-15 Parts \u0026amp; Accessories\u003c\/a\u003e, or browse all \u003ca href=\"\/collections\/magpul-industries\"\u003eMagpul\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"magpul-mbus-sight-rear-ar15-m4","title":"Magpul MBUS Sight Rear for AR-15\/M4","description":"\u003cp\u003eThe Magpul MBUS Rear is a folding polymer dual-aperture back-up iron sight for AR-15 and M4 rifles, clamping to any MIL-STD-1913 Picatinny rail.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe folding rear that completes the set — dual apertures, windage adjustment, and polymer toughness that outlasts hard use.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Magpul MBUS (Back-Up Sight, MAG248) rear folds flat to clear your optic and flips up instantly when you need irons. It gives you the familiar dual-aperture setup — a large aperture for close, fast work and a small aperture for precision — with tool-free windage adjustment via a positive-click knob. The impact-resistant polymer body sheds knocks and weight in equal measure.\u003c\/p\u003e\u003cp\u003eRun it with the MBUS front for a complete, dependable backup iron sight system on any optic-equipped carbine.\u003c\/p\u003e\u003ch3\u003eWhy shooters choose the Magpul MBUS Rear\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual apertures\u003c\/strong\u003e — fast close-range and precise long-range settings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool-free windage\u003c\/strong\u003e — positive-click adjustment knob\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring-assisted deployment\u003c\/strong\u003e — flips up positively at a button push\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpact-resistant polymer\u003c\/strong\u003e — tough, light, corrosion-proof\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour finishes\u003c\/strong\u003e — Black, Flat Dark Earth, Stealth Gray, Olive Drab Green\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat the Magpul MBUS Rear fits\u003c\/h3\u003e\u003cp\u003eClamps to any MIL-STD-1913 Picatinny rail on a flat-top AR-15\/M4 upper. You need clear rail behind your optic or mount, and the front and rear should sit on the same rail plane. Pair it with the \u003ca href=\"\/products\/magpul-mbus-sight-front-ar15-m4\"\u003eMBUS front (MAG247)\u003c\/a\u003e to complete the set, then zero windage on the rear and elevation on the front.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePlatform\u003c\/th\u003e\n\u003ctd\u003eAR-15 \/ M4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eFolding back-up rear sight (BUIS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eImpact-resistant polymer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBlack, Flat Dark Earth, Stealth Gray, Olive Drab Green\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMount interface\u003c\/th\u003e\n\u003ctd\u003ePicatinny \/ MIL-STD-1913\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdjustment\u003c\/th\u003e\n\u003ctd\u003eWindage (tool-free), dual aperture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMagpul Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMPN\u003c\/th\u003e\n\u003ctd\u003eMAG248-BLK · MAG248-FDE · MAG248-GRY · MAG248-ODG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eComplete the backup sight set. \u003cstrong\u003eOrder the MBUS Rear Sight today\u003c\/strong\u003e — imported from the USA with all duties paid by us and dispatched tracked from the UK in 7–10 business days, with nothing to pay on delivery.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExplore more:\u003c\/strong\u003e \u003ca href=\"\/collections\/iron-sights-backup-sights\"\u003eIron Sights \u0026amp; Backup Sights\u003c\/a\u003e, \u003ca href=\"\/collections\/ar-15-parts-accessories\"\u003eAR-15 Parts\u003c\/a\u003e or browse all \u003ca href=\"\/collections\/magpul-industries\"\u003eMagpul\u003c\/a\u003e.\u003c\/p\u003e","brand":"Magpul Industries","offers":[{"title":"Black","offer_id":60873776890190,"sku":"MAG248-BLK","price":54.99,"currency_code":"GBP","in_stock":true},{"title":"Flat Dark Earth","offer_id":60873776922958,"sku":"MAG248-FDE","price":54.99,"currency_code":"GBP","in_stock":true},{"title":"Stealth Gray","offer_id":60873776955726,"sku":"MAG248-GRY","price":54.99,"currency_code":"GBP","in_stock":true},{"title":"Olive Drab Green","offer_id":60873776988494,"sku":"MAG248-ODG","price":54.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1081\/3223\/7646\/files\/magpul-mbus-sight-rear-ar15-m4-black.jpg?v=1789880921"},{"product_id":"magpul-mbus-sight-front-ar15-m4","title":"Magpul MBUS Sight Front for AR-15\/M4","description":"\u003cp\u003eThe Magpul MBUS Front is a folding polymer back-up iron sight for AR-15 and M4 rifles, clamping to any MIL-STD-1913 Picatinny rail.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRugged, low-cost backup iron sights that stay out of the way until you need them — the polymer standard for a reliable BUIS front.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Magpul MBUS (Back-Up Sight, MAG247) front folds flat against the rail to clear your optic, then springs up positively at the push of a button when you need irons. Moulded from impact-resistant polymer over a steel-reinforced core, it shrugs off knocks that would bend aluminium sights while adding almost no weight to the rifle.\u003c\/p\u003e\u003cp\u003eThe front sight post is fully adjustable for elevation with the same tool used on standard A2 front sights, so zeroing is familiar and quick. It is the sensible, affordable insurance every optic-equipped carbine should carry.\u003c\/p\u003e\u003ch3\u003eWhy shooters choose the Magpul MBUS Front\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring-assisted deployment\u003c\/strong\u003e — flips up positively at the push of a button\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFolds low\u003c\/strong\u003e — clears optics and co-witnesses with most red dots\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpact-resistant polymer\u003c\/strong\u003e — tough, light, corrosion-proof\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA2-standard elevation\u003c\/strong\u003e — familiar front-post adjustment and zeroing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour finishes\u003c\/strong\u003e — Black, Flat Dark Earth, Stealth Gray, Olive Drab Green\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat the Magpul MBUS Front fits\u003c\/h3\u003e\u003cp\u003eClamps to any MIL-STD-1913 Picatinny rail on AR-15\/M4 pattern rifles, including flat-top uppers and railed gas blocks. You need enough clear rail at the front and the right height relationship with your rear sight. Pair it with the \u003ca href=\"\/products\/magpul-mbus-sight-rear-ar15-m4\"\u003eMBUS rear (MAG248)\u003c\/a\u003e for a complete folding sight set; front-post elevation is set with a standard A2 sight tool.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePlatform\u003c\/th\u003e\n\u003ctd\u003eAR-15 \/ M4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eFolding back-up front sight (BUIS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eImpact-resistant polymer over a steel-reinforced core\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBlack, Flat Dark Earth, Stealth Gray, Olive Drab Green\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMount interface\u003c\/th\u003e\n\u003ctd\u003ePicatinny \/ MIL-STD-1913\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdjustment\u003c\/th\u003e\n\u003ctd\u003eElevation (A2-standard front post)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMagpul Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMPN\u003c\/th\u003e\n\u003ctd\u003eMAG247-BLK · MAG247-FDE · MAG247-GRY · MAG247-ODG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eAffordable insurance for an optic-equipped carbine. \u003cstrong\u003eOrder the MBUS Front Sight today\u003c\/strong\u003e — imported from the USA with all duties paid by us and dispatched tracked from the UK in 7–10 business days, with nothing to pay on delivery.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExplore more:\u003c\/strong\u003e \u003ca href=\"\/collections\/iron-sights-backup-sights\"\u003eIron Sights \u0026amp; Backup Sights\u003c\/a\u003e, \u003ca href=\"\/collections\/ar-15-parts-accessories\"\u003eAR-15 Parts\u003c\/a\u003e or browse all \u003ca href=\"\/collections\/magpul-industries\"\u003eMagpul\u003c\/a\u003e.\u003c\/p\u003e","brand":"Magpul Industries","offers":[{"title":"Black","offer_id":60873777054030,"sku":"MAG247-BLK","price":49.99,"currency_code":"GBP","in_stock":true},{"title":"Flat Dark Earth","offer_id":60873777086798,"sku":"MAG247-FDE","price":49.99,"currency_code":"GBP","in_stock":true},{"title":"Stealth Gray","offer_id":60873777119566,"sku":"MAG247-GRY","price":49.99,"currency_code":"GBP","in_stock":true},{"title":"Olive Drab Green","offer_id":60873777152334,"sku":"MAG247-ODG","price":49.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1081\/3223\/7646\/files\/magpul-mbus-sight-front-ar15-m4-black.jpg?v=1789880923"},{"product_id":"magpul-mbus-pro-lr-adjustable-rear-sight-mag527","title":"Magpul MBUS Pro LR Adjustable Rear Sight for AR-15\/M4","description":"\u003cp\u003eThe Magpul MBUS Pro LR is an all-steel adjustable rear backup iron sight for AR-15 and M4 rifles, clamping to any 1913 Picatinny top rail.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eA rear sight that thinks in ranges — the MBUS Pro LR adds calibrated, tool-less elevation to all-steel reliability.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Magpul MBUS Pro LR Adjustable Rear Sight (MAG527) is the long-range thinker of the MBUS Pro family. Its elevation-adjustable aperture system is calibrated for extended distances, letting you dial for range with your fingers — no tools, no guesswork — while the dual apertures still cover fast close work and precise deliberate fire. If your irons are more than a formality, this is the rear sight that earns the rail space.\u003c\/p\u003e\u003cp\u003eConstruction is machined steel throughout with a corrosion-resistant finish. Folded, it keeps the trademark MBUS Pro low profile; deployed, it locks up solid, adjusts positively and holds its settings through recoil and rough handling.\u003c\/p\u003e\u003ch3\u003eWhy shooters choose the MBUS Pro LR\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibrated elevation adjustment\u003c\/strong\u003e — dial for distance, tool-free\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual apertures\u003c\/strong\u003e — speed up close, precision at range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool-less windage\u003c\/strong\u003e — full zeroing with your fingertips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-steel construction\u003c\/strong\u003e — settings that survive hard use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-profile fold\u003c\/strong\u003e — clean under optics like every MBUS Pro\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat the MBUS Pro LR fits\u003c\/h3\u003e\u003cp\u003eFits 1913 Picatinny top rails on AR-15\/M4 pattern rifles, mounted at the rear position, and pairs with any MBUS Pro front sight. You will need clear rail at the rear of the receiver behind your optic mount, and front and rear should sit on the same rail plane. Zero at your base distance, then use the calibrated elevation for everything beyond it.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePlatform\u003c\/th\u003e\n\u003ctd\u003eAR-15 \/ M4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eAdjustable dual-aperture rear sight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMount interface\u003c\/th\u003e\n\u003ctd\u003e1913 Picatinny top rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdjustment\u003c\/th\u003e\n\u003ctd\u003eTool-less calibrated elevation \u0026amp; windage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMagpul Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMPN\u003c\/th\u003e\n\u003ctd\u003eMAG527\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eIrons with real reach. \u003cstrong\u003eOrder the MBUS Pro LR today\u003c\/strong\u003e — imported from the USA with all duties paid by us and dispatched tracked from the UK in 7–10 business days, with nothing to pay on delivery.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExplore more:\u003c\/strong\u003e \u003ca href=\"\/collections\/iron-sights-backup-sights\"\u003eIron Sights \u0026amp; Backup Sights\u003c\/a\u003e, \u003ca href=\"\/collections\/ar-15-parts-accessories\"\u003eAR-15 Parts\u003c\/a\u003e or browse all \u003ca href=\"\/collections\/magpul-industries\"\u003eMagpul\u003c\/a\u003e.\u003c\/p\u003e","brand":"Magpul Industries","offers":[{"title":"Default Title","offer_id":60873786687822,"sku":"MAG527","price":145.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1081\/3223\/7646\/files\/magpul-mbus-pro-lr-adjustable-rear-sight-mag527-1.jpg?v=1789881024"},{"product_id":"magpul-mbus-3-sight-rear-mag1167","title":"Magpul MBUS 3 Sight Rear for AR-15\/M4","description":"\u003cp\u003eThe Magpul MBUS 3 Rear is a polymer dual-aperture flip-up backup iron sight for AR-15 and M4 rifles, clamping to any 1913 Picatinny top rail.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDual apertures, constant-tension deployment and tool-less windage — the MBUS 3 Rear is the smartest polymer backup sight made.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Magpul MBUS 3 Rear Sight (MAG1167) pairs the classic dual-aperture combat configuration — a large ring for speed, a small aperture for precision — with third-generation refinements throughout. The strengthened housing resists crush and impact, the slimmed profile stays out of the way of optics and hands, and the constant-tension spring snaps the sight up crisply from either side of the rifle.\u003c\/p\u003e\u003cp\u003eWindage adjusts without tools via positive, tactile clicks, so zeroing a set of MBUS 3s takes minutes rather than a session. For optics-driven rifles that still deserve dependable irons — which is to say, all of them — the MBUS 3 remains the definitive value in backup sights.\u003c\/p\u003e\u003ch3\u003eWhy shooters choose the MBUS 3 Rear\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-aperture design\u003c\/strong\u003e — fast ring up close, fine aperture at distance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstant-tension deployment\u003c\/strong\u003e — positive and ambidextrous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool-less windage clicks\u003c\/strong\u003e — zero with your fingertips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrengthened, slimmed GEN3 housing\u003c\/strong\u003e — tougher and lower-profile\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree finishes\u003c\/strong\u003e — Black, Flat Dark Earth, Olive Drab Green\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat the MBUS 3 Rear fits\u003c\/h3\u003e\u003cp\u003eFits 1913 Picatinny top rails on AR-15\/M4 pattern rifles, mounted at the rear of the receiver rail. You need clear rail behind your optic, so check the space your mount leaves. Pair it with the MBUS 3 Front (MAG1166) for a complete matched backup system, and zero the pair together.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePlatform\u003c\/th\u003e\n\u003ctd\u003eAR-15 \/ M4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eDual-aperture flip-up rear sight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eReinforced polymer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBlack, Flat Dark Earth, Olive Drab Green\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMount interface\u003c\/th\u003e\n\u003ctd\u003e1913 Picatinny top rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdjustment\u003c\/th\u003e\n\u003ctd\u003eTool-less windage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMagpul Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMPN\u003c\/th\u003e\n\u003ctd\u003eMAG1167-BLK · MAG1167-FDE · MAG1167-ODG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eComplete your backup system. \u003cstrong\u003eOrder the MBUS 3 Rear today\u003c\/strong\u003e — imported from the USA with all duties paid by us and dispatched tracked from the UK in 7–10 business days, with nothing to pay on delivery.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExplore more:\u003c\/strong\u003e \u003ca href=\"\/collections\/iron-sights-backup-sights\"\u003eIron Sights \u0026amp; Backup Sights\u003c\/a\u003e, \u003ca href=\"\/collections\/ar-15-parts-accessories\"\u003eAR-15 Parts\u003c\/a\u003e or browse all \u003ca href=\"\/collections\/magpul-industries\"\u003eMagpul\u003c\/a\u003e.\u003c\/p\u003e","brand":"Magpul Industries","offers":[{"title":"Black","offer_id":60873786753358,"sku":"MAG1167-BLK","price":69.99,"currency_code":"GBP","in_stock":true},{"title":"Flat Dark Earth","offer_id":60873786786126,"sku":"MAG1167-FDE","price":69.99,"currency_code":"GBP","in_stock":true},{"title":"Olive Drab Green","offer_id":60873786818894,"sku":"MAG1167-ODG","price":69.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1081\/3223\/7646\/files\/magpul-mbus-3-sight-rear-mag1167-black.jpg?v=1789881026"},{"product_id":"magpul-mbus-pro-front-folding-sight","title":"Magpul MBUS Pro Front Folding Sight","description":"\u003cp\u003eThe Magpul MBUS Pro Front Folding Sight is an all-steel backup iron sight for AR-15 and M4 rifles, clamping to any 1913 Picatinny top rail.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe backup sight that behaves like a primary — all-steel MBUS Pro engineering in its purest form.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Magpul MBUS Pro Front Folding Sight (MAG275) is machined from steel, finished in corrosion-resistant black, and built around one uncompromising requirement: when it flips up, it must be exactly where you zeroed it. The lockup is free of play, the detents are positive, and the post presents a crisp sight picture that steel alone can keep true through years of knocks.\u003c\/p\u003e\u003cp\u003eFolded, the MBUS Pro sits astonishingly low on the rail — among the slimmest steel sights made — so it disappears under magnified optics and co-witnesses correctly with red dots. Deployment is instant from either side. For duty rifles and serious builds, this is the difference between carrying backup sights and trusting them.\u003c\/p\u003e\u003ch3\u003eWhy shooters choose the MBUS Pro Front\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-steel construction\u003c\/strong\u003e — durability polymer cannot match\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVery low folded profile\u003c\/strong\u003e — stays out of the way under optics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocks up with zero play\u003c\/strong\u003e — true return to zero, every deployment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCo-witnesses with red dots\u003c\/strong\u003e — correct height across standard setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbidextrous deployment\u003c\/strong\u003e — instant from either side\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat the MBUS Pro Front fits\u003c\/h3\u003e\u003cp\u003eFits 1913 Picatinny top rails on AR-15\/M4 pattern rifles, mounted at the front of the rail with a single fastener. Make sure the front rail sits on the same plane as your rear sight position, and check clearance against your optic's height and objective. Pair it with any MBUS Pro rear, zero the set, and it will hold.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePlatform\u003c\/th\u003e\n\u003ctd\u003eAR-15 \/ M4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eFolding front backup sight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMount interface\u003c\/th\u003e\n\u003ctd\u003e1913 Picatinny top rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMagpul Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMPN\u003c\/th\u003e\n\u003ctd\u003eMAG275\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eZero it once, trust it always. \u003cstrong\u003eOrder the MBUS Pro Front today\u003c\/strong\u003e — imported from the USA with all duties paid by us and dispatched tracked from the UK in 7–10 business days, with nothing to pay on delivery.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExplore more:\u003c\/strong\u003e \u003ca href=\"\/collections\/iron-sights-backup-sights\"\u003eIron Sights \u0026amp; Backup Sights\u003c\/a\u003e, \u003ca href=\"\/collections\/ar-15-parts-accessories\"\u003eAR-15 Parts\u003c\/a\u003e or browse all \u003ca href=\"\/collections\/magpul-industries\"\u003eMagpul\u003c\/a\u003e.\u003c\/p\u003e","brand":"Magpul Industries","offers":[{"title":"Default Title","offer_id":60873787048270,"sku":"MAG275","price":95.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1081\/3223\/7646\/files\/magpul-mbus-pro-front-folding-sight-1.jpg?v=1789881028"},{"product_id":"magpul-mbus-pro-offset-sight-front-1","title":"Magpul MBUS Pro Offset Front Sight","description":"\u003cp\u003eThe Magpul MBUS Pro Offset Front is an all-steel 45° offset backup iron sight, clamping to any 1913 Picatinny rail alongside a primary optic.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eA 45° offset front sight in solid steel — instant close-range aiming without ever touching your magnified optic.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Magpul MBUS Pro Offset Front Sight (MAG525) mounts at a fixed 45° angle beside your primary optic. Roll the rifle, and a complete iron sight picture is waiting — no dialling magnification down, no flipping mounts, no compromise to your scope's zero. For precision rifles and LPVO builds that occasionally need to work fast and close, offset irons are the cleanest answer, and the MBUS Pro is the benchmark execution.\u003c\/p\u003e\u003cp\u003eMachined steel construction with a corrosion-resistant finish gives the folded sight a tiny, snag-free footprint and a lockup with zero play when deployed. It survives the barricade knocks and case drops that break polymer offsets, and it returns to zero every single time.\u003c\/p\u003e\u003ch3\u003eWhy shooters choose the MBUS Pro Offset Front\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e45° offset geometry\u003c\/strong\u003e — transition to irons with a roll of the rifle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-steel construction\u003c\/strong\u003e — hard-use durability at a hard-use angle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimal folded footprint\u003c\/strong\u003e — stays clear of optics and hands\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue return to zero\u003c\/strong\u003e — positive, play-free lockup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal for LPVO and precision builds\u003c\/strong\u003e — speed without sacrificing the scope\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat the MBUS Pro Offset Front fits\u003c\/h3\u003e\u003cp\u003eClamps to a 1913 Picatinny rail and sits at 45° so it works alongside a primary optic instead of beneath it. It needs a clear stretch of top rail forward of your optic mount. Pair it with the MBUS Pro Offset Rear (MAG526) at the same angle on the same rail plane, zero at your chosen close-range distance, and train the roll.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003e45° offset flip-up front sight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMount interface\u003c\/th\u003e\n\u003ctd\u003e1913 Picatinny rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMagpul Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMPN\u003c\/th\u003e\n\u003ctd\u003eMAG525\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eKeep the scope, gain the speed. \u003cstrong\u003eOrder the MBUS Pro Offset Front today\u003c\/strong\u003e — imported from the USA with all duties paid by us and dispatched tracked from the UK in 7–10 business days, with nothing to pay on delivery.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExplore more:\u003c\/strong\u003e \u003ca href=\"\/collections\/iron-sights-backup-sights\"\u003eIron Sights \u0026amp; Backup Sights\u003c\/a\u003e, \u003ca href=\"\/collections\/ar-15-parts-accessories\"\u003eAR-15 Parts\u003c\/a\u003e or browse all \u003ca href=\"\/collections\/magpul-industries\"\u003eMagpul\u003c\/a\u003e.\u003c\/p\u003e","brand":"Magpul Industries","offers":[{"title":"Default Title","offer_id":60873787113806,"sku":"MAG525","price":95.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1081\/3223\/7646\/files\/magpul-mbus-pro-offset-sight-front-1-1.jpg?v=1789881029"},{"product_id":"magpul-mbus-pro-sight-rear-1","title":"Magpul MBUS Pro Rear Folding Sight","description":"\u003cp\u003eThe Magpul MBUS Pro Rear is an all-steel dual-aperture folding backup iron sight for AR-15 and M4 rifles, clamping to any 1913 Picatinny top rail.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eA steel rear sight with dual apertures and tool-less windage — the MBUS Pro Rear completes a backup system you can actually rely on.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Magpul MBUS Pro Rear Sight (MAG276) brings all-steel construction to the rear half of your iron-sight equation. The dual-aperture design flips between a large ring for fast, close work and a small aperture for precision at distance — the classic combat configuration, executed with machined precision. Windage adjusts tool-lessly with positive, audible clicks, so refining zero at the range needs nothing but your fingers.\u003c\/p\u003e\u003cp\u003eFolded, the sight sits extraordinarily low and snag-free; deployed, it locks up without play and returns to zero shot after shot. Paired with an MBUS Pro front, you get a sighting system tough enough to serve as primary irons on a dedicated build — and dependable enough to bet on when an optic goes down.\u003c\/p\u003e\u003ch3\u003eWhy shooters choose the MBUS Pro Rear\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-steel construction\u003c\/strong\u003e — built to take what polymer cannot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual apertures\u003c\/strong\u003e — fast ring up close, fine aperture at distance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool-less windage adjustment\u003c\/strong\u003e — crisp, positive clicks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-low folded profile\u003c\/strong\u003e — clean under optics, snag-free\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue return to zero\u003c\/strong\u003e — deployment after deployment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat the MBUS Pro Rear fits\u003c\/h3\u003e\u003cp\u003eFits 1913 Picatinny top rails on AR-15\/M4 pattern rifles, at the rear of the receiver rail in the usual backup sight position. Make sure there is clear rail behind your optic or mount before ordering, and that the front and rear sit on the same rail plane. It pairs with any MBUS Pro front sight; elevation is normally set on the front sight, so zero the pair together.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePlatform\u003c\/th\u003e\n\u003ctd\u003eAR-15 \/ M4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eDual-aperture flip-up rear sight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMount interface\u003c\/th\u003e\n\u003ctd\u003e1913 Picatinny top rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdjustment\u003c\/th\u003e\n\u003ctd\u003eTool-less windage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMagpul Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMPN\u003c\/th\u003e\n\u003ctd\u003eMAG276\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eFinish the system properly. \u003cstrong\u003eOrder the MBUS Pro Rear today\u003c\/strong\u003e — imported from the USA with all duties paid by us and dispatched tracked from the UK in 7–10 business days, with nothing to pay on delivery.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExplore more:\u003c\/strong\u003e \u003ca href=\"\/collections\/iron-sights-backup-sights\"\u003eIron Sights \u0026amp; Backup Sights\u003c\/a\u003e, \u003ca href=\"\/collections\/ar-15-parts-accessories\"\u003eAR-15 Parts\u003c\/a\u003e or browse all \u003ca href=\"\/collections\/magpul-industries\"\u003eMagpul\u003c\/a\u003e.\u003c\/p\u003e","brand":"Magpul Industries","offers":[{"title":"Default Title","offer_id":60873787441486,"sku":"MAG276","price":125.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1081\/3223\/7646\/files\/magpul-mbus-pro-sight-rear-1-1.jpg?v=1789881032"},{"product_id":"magpul-mbus-pro-offset-sight-rear-1","title":"Magpul MBUS Pro Offset Rear Sight","description":"\u003cp\u003eThe Magpul MBUS Pro Offset Rear is an all-steel 45° offset backup iron sight, clamping to any 1913 Picatinny rail alongside a primary optic.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe rear half of the fastest optic-to-irons transition in shooting — 45° offset, all steel, always ready.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Magpul MBUS Pro Offset Rear Sight (MAG526) completes the offset sighting system: mounted at 45° beside your magnified optic, it pairs with the offset front to give a full iron-sight picture the instant you roll the rifle. Close targets, failed optics or fogged glass stop being problems — the irons are simply there, zeroed and waiting, without a single control to operate.\u003c\/p\u003e\u003cp\u003eLike every MBUS Pro, it is machined from steel with a corrosion-resistant finish, folds to a tiny snag-free profile, and locks up with no discernible play. Windage adjustment is tool-less with positive clicks, making zeroing at the range quick work.\u003c\/p\u003e\u003ch3\u003eWhy shooters choose the MBUS Pro Offset Rear\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e45° offset geometry\u003c\/strong\u003e — instant transitions from magnified glass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-steel construction\u003c\/strong\u003e — survives what breaks polymer offsets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool-less windage adjustment\u003c\/strong\u003e — crisp, positive clicks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTiny folded footprint\u003c\/strong\u003e — clear of the optic, clear of your hands\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlay-free lockup\u003c\/strong\u003e — dependable return to zero\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat the MBUS Pro Offset Rear fits\u003c\/h3\u003e\u003cp\u003eFits 1913 Picatinny rails and sits at 45° so it runs alongside a primary optic rather than under it. You need rail space clear of your scope mount and rings, which usually means the front half of a continuous top rail. Zero it as a pair with the MBUS Pro Offset Front (MAG525) at your preferred close-quarters distance — an offset rear only works with an offset front set at the same angle on the same rail plane.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003e45° offset flip-up rear sight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMount interface\u003c\/th\u003e\n\u003ctd\u003e1913 Picatinny rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdjustment\u003c\/th\u003e\n\u003ctd\u003eTool-less windage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMagpul Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMPN\u003c\/th\u003e\n\u003ctd\u003eMAG526\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eComplete the offset system. \u003cstrong\u003eOrder the MBUS Pro Offset Rear today\u003c\/strong\u003e — imported from the USA with all duties paid by us and dispatched tracked from the UK in 7–10 business days, with nothing to pay on delivery.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExplore more:\u003c\/strong\u003e \u003ca href=\"\/collections\/iron-sights-backup-sights\"\u003eIron Sights \u0026amp; Backup Sights\u003c\/a\u003e, \u003ca href=\"\/collections\/ar-15-parts-accessories\"\u003eAR-15 Parts\u003c\/a\u003e or browse all \u003ca href=\"\/collections\/magpul-industries\"\u003eMagpul\u003c\/a\u003e.\u003c\/p\u003e","brand":"Magpul Industries","offers":[{"title":"Default Title","offer_id":60873787507022,"sku":"MAG526","price":125.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1081\/3223\/7646\/files\/magpul-mbus-pro-offset-sight-rear-1-1.jpg?v=1789881033"},{"product_id":"magpul-mbus-3-sight-front-mag1166","title":"Magpul MBUS 3 Sight Front for AR-15\/M4","description":"\u003cp\u003eThe Magpul MBUS 3 Front is a polymer flip-up backup iron sight for AR-15 and M4 rifles, clamping to any 1913 Picatinny top rail.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe third generation of one of the most widely used backup sights — stronger, slimmer and smoother than ever.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Magpul MBUS 3 Front Sight (MAG1166) refines the polymer backup sight that armed a generation of rifles. The housing is strengthened against crush and impact, the profile is slimmed to reduce snags, and the spring-loaded deployment now runs on crisp constant tension — press the release and the sight snaps up positively, from either side, every time.\u003c\/p\u003e\u003cp\u003eThe detail shooters notice most: the MBUS 3's tool-less front post adjustment, which makes zeroing dramatically quicker than wrestling with a legacy A2-style post tool. Impact-resistant polymer keeps weight and cost down while shrugging off the daily knocks of training — the pragmatic backup for optics-first builds.\u003c\/p\u003e\u003ch3\u003eWhy shooters choose the MBUS 3 Front\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrengthened GEN3 housing\u003c\/strong\u003e — tougher where MBUS sights get hit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstant-tension deployment\u003c\/strong\u003e — crisp, positive, ambidextrous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool-less elevation adjustment\u003c\/strong\u003e — the fastest-zeroing MBUS yet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlim, snag-resistant profile\u003c\/strong\u003e — folds low and clean\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree finishes\u003c\/strong\u003e — Black, Flat Dark Earth, Olive Drab Green\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat the MBUS 3 Front fits\u003c\/h3\u003e\u003cp\u003eFits 1913 Picatinny top rails on AR-15\/M4 pattern rifles, so you need a continuous or front rail section at the gas block or handguard end. Check that your rail height at the front matches the rear sight position you plan to use. Pair it with the MBUS 3 Rear (MAG1167) for a matched, ambidextrous backup system.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePlatform\u003c\/th\u003e\n\u003ctd\u003eAR-15 \/ M4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eFlip-up front backup sight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eReinforced polymer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBlack, Flat Dark Earth, Olive Drab Green\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMount interface\u003c\/th\u003e\n\u003ctd\u003e1913 Picatinny top rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdjustment\u003c\/th\u003e\n\u003ctd\u003eTool-less elevation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMagpul Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMPN\u003c\/th\u003e\n\u003ctd\u003eMAG1166-BLK · MAG1166-FDE · MAG1166-ODG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eThe proven backup, perfected. \u003cstrong\u003eOrder the MBUS 3 Front today\u003c\/strong\u003e — imported from the USA with all duties paid by us and dispatched tracked from the UK in 7–10 business days, with nothing to pay on delivery.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExplore more:\u003c\/strong\u003e \u003ca href=\"\/collections\/iron-sights-backup-sights\"\u003eIron Sights \u0026amp; Backup Sights\u003c\/a\u003e, \u003ca href=\"\/collections\/ar-15-parts-accessories\"\u003eAR-15 Parts\u003c\/a\u003e or browse all \u003ca href=\"\/collections\/magpul-industries\"\u003eMagpul\u003c\/a\u003e.\u003c\/p\u003e","brand":"Magpul Industries","offers":[{"title":"Black","offer_id":60873787572558,"sku":"MAG1166-BLK","price":54.99,"currency_code":"GBP","in_stock":true},{"title":"Flat Dark Earth","offer_id":60873787605326,"sku":"MAG1166-FDE","price":54.99,"currency_code":"GBP","in_stock":true},{"title":"Olive Drab Green","offer_id":60873787638094,"sku":"MAG1166-ODG","price":54.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1081\/3223\/7646\/files\/magpul-mbus-3-sight-front-mag1166-black.jpg?v=1789881035"},{"product_id":"magpul-mbus-pro-hooded-front-sight-ar15","title":"Magpul MBUS Pro Hooded Front Sight for AR-15","description":"\u003cp\u003eThe Magpul MBUS Pro Hooded Front Sight is an all-steel folding backup iron sight for AR-15 and M4 rifles, clamping to any 1913 Picatinny top rail.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAn all-steel front sight tough enough to run as your primary — the MBUS Pro Hooded sets the standard for backup irons.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Magpul MBUS Pro Hooded Front Sight (MAG1518) is machined from steel and finished in a corrosion-resistant black, with a protective hood shielding the post from knocks, drops and hard contact. Where polymer backup sights are an insurance policy, the MBUS Pro is a genuine sighting system: it locks up with zero play, holds zero through abuse, and presents a crisp, clean post the moment it deploys.\u003c\/p\u003e\u003cp\u003eDespite the steel construction, the folded profile is remarkably low — slim enough to disappear under optics and co-witness cleanly through red dots. Deployment is instant and positive from either side, and the sight returns to exactly the same zero every time it flips up. This is the front sight for rifles where the optic is the plan and the irons must never be the excuse.\u003c\/p\u003e\u003ch3\u003eWhy shooters choose the MBUS Pro Hooded Front\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-steel construction\u003c\/strong\u003e — primary-sight durability in a backup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective hood\u003c\/strong\u003e — shields the post from impact and snags\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-low folded profile\u003c\/strong\u003e — vanishes under optics, co-witnesses cleanly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRepeatable return to zero\u003c\/strong\u003e — flips up to the same zero, every time\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmbidextrous deployment\u003c\/strong\u003e — fast from either hand\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat the MBUS Pro Hooded Front fits\u003c\/h3\u003e\u003cp\u003eFits 1913 Picatinny top rails on AR-15\/M4 pattern rifles, so it will sit on a flat-top upper or a rail-topped handguard at the gas block position. You need enough clear rail at the front and the right height relationship with your rear sight. It pairs with any MBUS Pro rear sight — fit, zero, and forget it is there until you need it.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePlatform\u003c\/th\u003e\n\u003ctd\u003eAR-15 \/ M4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eFolding hooded front sight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMount interface\u003c\/th\u003e\n\u003ctd\u003e1913 Picatinny top rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMagpul Industries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMPN\u003c\/th\u003e\n\u003ctd\u003eMAG1518-BLK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eSteel where it matters. \u003cstrong\u003eOrder the MBUS Pro Hooded Front Sight today\u003c\/strong\u003e — imported from the USA with all duties paid by us and dispatched tracked from the UK in 7–10 business days, with nothing to pay on delivery.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExplore more:\u003c\/strong\u003e \u003ca href=\"\/collections\/iron-sights-backup-sights\"\u003eIron Sights \u0026amp; Backup Sights\u003c\/a\u003e, \u003ca href=\"\/collections\/ar-15-parts-accessories\"\u003eAR-15 Parts\u003c\/a\u003e or browse all \u003ca href=\"\/collections\/magpul-industries\"\u003eMagpul\u003c\/a\u003e.\u003c\/p\u003e","brand":"Magpul Industries","offers":[{"title":"Default Title","offer_id":60873790390606,"sku":"MAG1518-BLK","price":119.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1081\/3223\/7646\/files\/magpul-mbus-pro-hooded-front-sight-ar15-1.jpg?v=1789881059"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1081\/3223\/7646\/collections\/magpul-mbus-sights-backup-iron-sights-banner.png?v=1789937564","url":"https:\/\/onyxarmaments.co.uk\/collections\/magpul-mbus-sights-backup-iron-sights.oembed","provider":"Onyx Armaments","version":"1.0","type":"link"}