{"product_id":"utg-pro-model4-s1-stk-kit-ml-spc-blk","title":"UTG PRO Model 4 S1 Stock Kit – AR-15\/M4 Mil-Spec Buffer Tube","description":"\u003cp\u003eThe UTG PRO Model 4 S1 Stock Kit delivers improved cheek weld and shouldering consistency for AR-15 platform rifles. The 6-position collapsible design allows length-of-pull adjustment from 10.5\" to 13.5\", making it adaptable for shooters of different sizes or when wearing tactical gear. Dual quick-detach sling swivel sockets provide flexible carry options.\u003c\/p\u003e\u003cp\u003eConstructed from reinforced polymer, this complete stock assembly installs on mil-spec carbine buffer tubes and includes all necessary mounting hardware. The textured rubber buttpad reduces felt recoil and prevents slipping during shouldering. No gunsmithing required—drop-in installation using standard takedown pins.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e 6-Position Collapsible Buttstock Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e AR-15, M4, and rifles with 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, 10.5\"–13.5\" LOP)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-in, mil-spec buffer tube compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e Dual QD sling sockets, textured rubber buttpad\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Leapers, Inc. - UTG","offers":[{"title":"Default Title","offer_id":47938830893311,"sku":"UTGRBUS1BM","price":69.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1296387.jpg?v=1766533601","url":"https:\/\/doublestackstore.com\/products\/utg-pro-model4-s1-stk-kit-ml-spc-blk","provider":"Double Stack Store","version":"1.0","type":"link"}