{"product_id":"tacfire-ar-15-build-kit-45-acp-16-black-nitride-semi-auto-rifle","title":"TacFire AR-15 Build Kit 45 ACP 16\" Black Nitride Semi-Auto - Rifle","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eTacFire AR Build Kit\u003c\/span\u003e\u003c\/strong\u003e packages the upper-receiver components needed to assemble a \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e45 ACP\u003c\/span\u003e\u003c\/strong\u003e AR-platform rifle on a standard \u003cstrong\u003eAR-15 lower receiver\u003c\/strong\u003e. Centered on a \u003cstrong\u003e16\" black nitride barrel\u003c\/strong\u003e, the kit is paired with a slim \u003cstrong\u003e15\" M-LOK free-float handguard\u003c\/strong\u003e for modern accessory mounting and a clean sight radius.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eA \u003cstrong\u003estripped billet upper receiver\u003c\/strong\u003e anchors the build, joined by the rest of the kit's \u003cstrong\u003ealuminum\u003c\/strong\u003e and steel hardware. A \u003cstrong\u003ebirdcage flash hider\u003c\/strong\u003e timed with a crush washer sits at the muzzle, while a \u003cstrong\u003eMil-Spec AR-15\/.556 charging handle\u003c\/strong\u003e with an aluminum body and steel latch, \u003cstrong\u003edust cover\u003c\/strong\u003e, \u003cstrong\u003eforward assist\u003c\/strong\u003e, \u003cstrong\u003estandard receiver end plate\u003c\/strong\u003e, and \u003cstrong\u003eMil-Spec\/commercial steel castle nut\u003c\/strong\u003e round out the small parts.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eBuilt around the \u003cstrong\u003eAR-15 platform\u003c\/strong\u003e with a \u003cstrong\u003esemi-auto\u003c\/strong\u003e action, this kit is completed by adding a mil-spec \u003cstrong\u003eAR-15 lower receiver\u003c\/strong\u003e, a \u003cstrong\u003e45 ACP bolt carrier group\u003c\/strong\u003e, and a \u003cstrong\u003e45 ACP magazine\u003c\/strong\u003e (each sold separately). The \u003cstrong\u003eblack nitride\u003c\/strong\u003e barrel finish delivers the corrosion resistance and uniform matte-black appearance that anchors the build's overall look.\u003c\/span\u003e\u003c\/p\u003e","brand":"TacFire","offers":[{"title":"Default Title","offer_id":54996456046914,"sku":"113826","price":375.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_421cd252-9d28-4c0e-9ade-2e159d7745e6.png?v=1784319489","url":"https:\/\/centerfiresystems.com\/products\/tacfire-ar-15-build-kit-45-acp-16-black-nitride-semi-auto-rifle","provider":"Centerfire Systems","version":"1.0","type":"link"}