{"product_id":"utg-pro-model4-s1-stk-ml-spc-blk","title":"UTG PRO MODEL4 S1 Mil-Spec Carbine Stock – AR-15\/M4 Compatible","description":"\u003cp\u003eThe UTG PRO MODEL4 S1 is a six-position collapsible carbine stock engineered for AR-15 and M4 platforms, delivering adjustable length of pull for shooters of varying sizes or when wearing body armor. The reinforced polymer construction balances durability with reduced weight, while the mil-spec buffer tube compatibility ensures straightforward integration with standard AR components.\u003c\/p\u003e\u003cp\u003eFeatures a non-slip rubberized buttpad for secure shouldering and recoil absorption. The stock locks firmly into any of six adjustment positions via a spring-loaded release lever. Installation requires a standard mil-spec carbine buffer tube (not included) and castle nut. Compatible with both commercial and mil-spec lower receivers when paired with the appropriate buffer tube.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Collapsible Carbine Stock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e AR-15, M4, mil-spec carbine buffer tubes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Reinforced Polymer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable:\u003c\/strong\u003e Yes (6 positions)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires mil-spec carbine buffer tube, castle nut, and end plate (not included)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Leapers, Inc. - UTG","offers":[{"title":"Default Title","offer_id":47938831220991,"sku":"UTGRBUS1BMS","price":34.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1296372.jpg?v=1766533621","url":"https:\/\/doublestackstore.com\/products\/utg-pro-model4-s1-stk-ml-spc-blk","provider":"Double Stack Store","version":"1.0","type":"link"}