{"product_id":"lbe-unlimited-ar75rbk-ready-build-kit-5-56-nato-7-5-chf-barrel-ar-15-complete-upper","title":"LBE Unlimited AR75RBK Ready Build Kit 5.56 NATO 7.5\" CHF Barrel AR-15 Complete Upper","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eLBE Unlimited AR75RBK Ready Build Kit\u003c\/span\u003e\u003c\/strong\u003e is a complete \u003cstrong\u003eAR-15 upper receiver\u003c\/strong\u003e assembly that bundles the major components needed to finish a compact, short-barreled 5.56 build. At the heart of the kit is a \u003cstrong\u003e7.5\" Cold Hammer Forged (CHF) barrel\u003c\/strong\u003e chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e223 Remington \/ 5.56 NATO\u003c\/span\u003e\u003c\/strong\u003e, paired with a \u003cstrong\u003epistol-length gas system\u003c\/strong\u003e for reliable cycling in a short-barreled configuration.\u003c\/span\u003e\u003c\/p\u003e\\n\\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe AR75RBK ships ready to drop onto any standard mil-spec lower and includes the \u003cstrong\u003ecomplete upper receiver\u003c\/strong\u003e, a standard \u003cstrong\u003eM16 bolt carrier group\u003c\/strong\u003e, and a classic \u003cstrong\u003eA2 flash hider\u003c\/strong\u003e. Finished in a clean \u003cstrong\u003eblack\u003c\/strong\u003e and assembled around LBE Unlimited's mil-spec component spec, this ready build kit gives AR builders a single-box solution for putting together a lightweight pistol or registered SBR upper without sourcing each part separately.\u003c\/span\u003e\u003c\/p\u003e","brand":"LBE Unlimited","offers":[{"title":"Default Title","offer_id":55046005752130,"sku":"175876","price":453.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_b20f0f06-b52d-459d-b509-bb6f41a1ecd8.png?v=1784697641","url":"https:\/\/centerfiresystems.com\/products\/lbe-unlimited-ar75rbk-ready-build-kit-5-56-nato-7-5-chf-barrel-ar-15-complete-upper","provider":"Centerfire Systems","version":"1.0","type":"link"}