{"product_id":"timney-skeletonised-trigger-661s-ar-15","title":"Timney Skeletonised Trigger 661S - AR-15 Small Pin - Single-Stage 3 lb","description":"\u003cp\u003eThe Timney Skeletonised 661S is a single-stage drop-in trigger for small-pin (.154 in) AR-15 and M4 pattern lower receivers.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eA trigger that looks as sharp as it breaks — the skeletonised 661S cuts weight and adds presence without touching reliability.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Timney Skeletonised 661S drops a 3 lb (1.4 kg) single-stage pull into small-pin (.154 in) AR-15 lowers through a distinctive skeletonised shoe — machined-out styling that trims mass and gives a build genuine bench presence. Behind the looks sits standard Timney discipline: a hand-calibrated break with no creep, minimal overtravel and a positive reset, delivered in a self-contained drop-in module.\u003c\/p\u003e\u003cp\u003eThree pounds is the versatile sweet spot — light enough for precise deliberate work, sensible enough for practical shooting — making the 661S as functional as it is photogenic.\u003c\/p\u003e\u003ch3\u003eWhy shooters choose the 661S\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 lb (1.4 kg) hand-calibrated break\u003c\/strong\u003e — the versatile match weight\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkeletonised shoe\u003c\/strong\u003e — distinctive style, reduced mass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-contained drop-in module\u003c\/strong\u003e — minutes to install\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall-pin (.154 in) fit\u003c\/strong\u003e — standard Mil-Spec lowers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat the 661S fits\u003c\/h3\u003e\u003cp\u003eDrops into small-pin AR-15\/M4 pattern lower receivers with .154 in trigger pins, via the existing pin holes — including UK straight-pull AR-15 builds, where the 3 lb (1.4 kg) break sits at a sensible weight for range and target work. Large-pin receivers are not compatible, so confirm your pin size before ordering. Function-check the rifle before live fire.\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\u003eSmall-pin (.154 in) AR-15 \/ M4 lower receivers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eSingle-stage drop-in trigger, skeletonised shoe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePull weight\u003c\/th\u003e\n\u003ctd\u003e3 lb (1.4 kg)\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\u003eTimney Triggers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMPN\u003c\/th\u003e\n\u003ctd\u003e661S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eFunction with flair. \u003cstrong\u003eOrder the Skeletonised 661S 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 all \u003ca href=\"\/collections\/rifle-triggers\"\u003eRifle Triggers\u003c\/a\u003e, \u003ca href=\"\/collections\/ar-15-parts-accessories\"\u003eAR-15 Parts \u0026amp; Accessories\u003c\/a\u003e or browse all \u003ca href=\"\/collections\/timney-triggers\"\u003eTimney Triggers\u003c\/a\u003e.\u003c\/p\u003e","brand":"Timney Triggers","offers":[{"title":"Default Title","offer_id":60873779478862,"sku":"661S","price":325.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1081\/3223\/7646\/files\/timney-skeletonised-trigger-661s-ar-15-1.jpg?v=1789880954","url":"https:\/\/onyxarmaments.co.uk\/products\/timney-skeletonised-trigger-661s-ar-15","provider":"Onyx Armaments","version":"1.0","type":"link"}