{"product_id":"reptilia-dot-mount-aimpoint-acro-lower-1-3","title":"Reptilia DOT Optic Mount Lower 1\/3 1.54\" for Aimpoint ACRO \u0026 Steiner MPS","description":"\u003cp\u003eThe Reptilia DOT Mount is a one-piece Picatinny optic mount for the Aimpoint ACRO and Steiner MPS, holding the optic at Reptilia's 39mm lower 1\/3 height, listed by the trade as 1.54in bore height.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCut for the ACRO footprint and set at one height. There is no dial, no spacer and no adapter plate — which is the entire point.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMachined from billet 7075-T6 aluminium in Type III hardcoat anodising, the DOT Mount clamps to any M1913 Picatinny rail with a spring-loaded nitrided 4140 steel clamp. Clamp and bolt sit flush with the body for a low-profile, anti-snag shape, and the assembly weighs 57 g (2.0 oz).\u003c\/p\u003e\u003cp\u003eAt the 39mm height, standard AR-15 back-up iron sights appear in the lower third of the ACRO's window, so the irons are available without covering the sight picture. The ACRO's enclosed emitter is the reason a lot of shooters choose it in British weather — nothing can bridge the emitter and the lens because the housing is sealed — and a mount with a single fixed interface keeps that reliability argument intact. Made in the USA.\u003c\/p\u003e\u003ch3\u003eWhy shooters choose the Lower 1\/3 DOT Mount for Aimpoint ACRO\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eACRO footprint\u003c\/strong\u003e — cut for the Aimpoint ACRO P1, P2 and C2 and the Steiner MPS, with no adapter plate in the stack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e39mm \/ 1.54in bore height\u003c\/strong\u003e — lower 1\/3 co-witness with standard AR-15 back-up iron sights\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring-loaded steel clamp\u003c\/strong\u003e — nitrided 4140 steel, flush with the body, nothing proud to snag\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e57 g (2.0 oz)\u003c\/strong\u003e — billet 7075-T6 aluminium, Type III hardcoat anodised\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-piece body\u003c\/strong\u003e — fewer joints between the optic and the rail, so fewer places for zero to move\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat the Lower 1\/3 DOT Mount for Aimpoint ACRO fits\u003c\/h3\u003e\u003cp\u003eFits the Aimpoint ACRO P1, ACRO P2 and ACRO C2, and the Steiner MPS — any red dot using the ACRO footprint — on any M1913 Picatinny rail, including the flat-top upper of a UK straight-pull AR-15. Footprint and height are both fixed: ACRO footprint, Reptilia 39mm (1.54in) lower 1\/3 height. If you want the tall head-up sightline instead, the \u003ca href=\"\/products\/reptilia-dot-mount-aimpoint-acro-1-93\"\u003e1.93in ACRO DOT Mount\u003c\/a\u003e is the same footprint higher up, and the \u003ca href=\"\/products\/reptilia-dot-mount-aimpoint-acro-low-height\"\u003elow-height ACRO DOT Mount\u003c\/a\u003e goes the other way for subguns and gas-tube AK rails. An Aimpoint Micro will not fit this mount.\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\u003eFits\u003c\/th\u003e\n\u003ctd\u003eAimpoint ACRO P1, P2 and C2; Steiner MPS — on any M1913 Picatinny rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eOne-piece red dot mount — 39mm (1.54in) lower 1\/3 bore height\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eBillet 7075-T6 aluminium; nitrided 4140 steel clamp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eType III hardcoat anodised — Black, Flat Dark Earth Anodized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e57 g (2.0 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMount interface\u003c\/th\u003e\n\u003ctd\u003eSpring-loaded clamp to M1913 Picatinny\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMade in\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eReptilia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMPN\u003c\/th\u003e\n\u003ctd\u003e100-026 · 100-027\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eAn enclosed-emitter dot at the co-witness height, on one machined part. \u003cstrong\u003eOrder the Lower 1\/3 DOT Mount for Aimpoint ACRO 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\/ar-15-parts-accessories\"\u003eAR-15 Parts \u0026amp; Accessories\u003c\/a\u003e, \u003ca href=\"\/collections\/optic-mounts\"\u003eScope Mounts \u0026amp; Optic Risers\u003c\/a\u003e or browse all \u003ca href=\"\/collections\/reptilia\"\u003eReptilia\u003c\/a\u003e.\u003c\/p\u003e","brand":"Reptilia","offers":[{"title":"Black","offer_id":60873766175054,"sku":"100-026","price":139.99,"currency_code":"GBP","in_stock":true},{"title":"Flat Dark Earth Anodized","offer_id":60873766207822,"sku":"100-027","price":139.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1081\/3223\/7646\/files\/reptilia-dot-mount-aimpoint-acro-lower-1-3-black.jpg?v=1789880819","url":"https:\/\/onyxarmaments.co.uk\/products\/reptilia-dot-mount-aimpoint-acro-lower-1-3","provider":"Onyx Armaments","version":"1.0","type":"link"}