{"product_id":"tacfire-ssbu55610-ar-15-5-56x45mm-nato-10-5-complete-upper-black-nitride","title":"TacFire SSBU55610 AR-15 5.56x45mm NATO 10.5\" Complete Upper - Black Nitride","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eTacFire SSBU55610 complete upper\u003c\/strong\u003e\u003c\/span\u003e is a short-barreled upper-receiver assembly for the \u003cstrong\u003eAR-15 platform\u003c\/strong\u003e, chambered in \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003e5.56x45mm NATO\u003c\/strong\u003e\u003c\/span\u003e. The established action designation is \u003cstrong\u003e5.56 NATO\u003c\/strong\u003e, and the \u003cstrong\u003e10.50\" barrel\u003c\/strong\u003e provides a compact upper configuration.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe barrel has a \u003cstrong\u003e1:8 twist rate\u003c\/strong\u003e and a \u003cstrong\u003eblack nitride finish\u003c\/strong\u003e. A \u003cstrong\u003eblack M-LOK handguard\u003c\/strong\u003e provides the established handguard and accessory-mounting interface for this assembly.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis complete upper is identified by model \u003cstrong\u003eSSBU55610\u003c\/strong\u003e and is offered in \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eNew condition\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"TacFire","offers":[{"title":"Default Title","offer_id":54984741978434,"sku":"182267","price":300.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_005348c9-47da-4c37-8ab0-cbd42b620ce0.png?v=1784041795","url":"https:\/\/centerfiresystems.com\/products\/tacfire-ssbu55610-ar-15-5-56x45mm-nato-10-5-complete-upper-black-nitride","provider":"Centerfire Systems","version":"1.0","type":"link"}