{"product_id":"luth-ar-bs-m4km-m4-buttstock-w-rear-sling-swivel-mil-spec-223-kit-black","title":"Luth-AR BS-M4KM M4 Buttstock w\/ Rear Sling Swivel - Mil-Spec .223 Kit - Black","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eLuth-AR BS-M4KM\u003c\/span\u003e\u003c\/strong\u003e is an \u003cstrong\u003eM4-pattern buttstock kit\u003c\/strong\u003e for the \u003cstrong\u003eAR-15 \/ M4 platform\u003c\/strong\u003e, finished in \u003cstrong\u003eblack\u003c\/strong\u003e and styled after the classic military \"waffle\" stock. The package pairs the buttstock - complete with an integrated \u003cstrong\u003erear sling swivel\u003c\/strong\u003e - with a full \u003cstrong\u003eMil-Spec .223 buffer assembly\u003c\/strong\u003e, giving builders a complete drop-in package to refresh or build out a carbine.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe buttstock replicates the familiar ribbed \"waffle\" pattern on the rear face for positive shoulder purchase and grip texture, and incorporates a built-in \u003cstrong\u003esling swivel\u003c\/strong\u003e mount that accepts any standard push-button quick-detach swivel. The rear of the stock is shaped to mate with a Mil-Spec pattern carbine receiver extension \/ buffer tube. The included \u003cstrong\u003eMil-Spec .223 kit\u003c\/strong\u003e supplies a standard carbine buffer tube, a \u003cstrong\u003e.223 \/ 5.56 carbine buffer\u003c\/strong\u003e, and a carbine buffer spring - all sized for AR-15 \/ M16 carbines chambered in \u003cstrong\u003e.223 Remington \/ 5.56x45mm NATO\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eDesigned as a direct-fit component for any standard \u003cstrong\u003eAR-15 \/ M4\u003c\/strong\u003e lower running a Mil-Spec carbine buffer tube, the BS-M4KM is a practical upgrade or replacement for duty, training, and general-purpose carbines. Whether refreshing a worn-out factory M4 stock or assembling a new carbine from the receiver up, this Luth-AR kit delivers the classic M4 waffle profile, sling-ready hardware, and the buffer components needed to get the rifle running.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e Luth-AR BS-M4KM (M4 buttstock with rear sling swivel, Mil-Spec .223 kit)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003ePlatform:\u003c\/strong\u003e AR-15 \/ M4 carbine\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eStock Style:\u003c\/strong\u003e M4-pattern with classic waffle texture and integrated rear sling swivel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eIncluded Buffer Kit:\u003c\/strong\u003e Mil-Spec carbine buffer tube, .223 \/ 5.56 carbine buffer, and carbine buffer spring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eCaliber:\u003c\/strong\u003e .223 Remington \/ 5.56x45mm NATO\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Luth-AR","offers":[{"title":"Default Title","offer_id":55109182292290,"sku":"196349","price":56.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_f5e2910c-f60c-4d5a-bd8e-9498037bdae3.png?v=1784802705","url":"https:\/\/centerfiresystems.com\/products\/luth-ar-bs-m4km-m4-buttstock-w-rear-sling-swivel-mil-spec-223-kit-black","provider":"Centerfire Systems","version":"1.0","type":"link"}