{"product_id":"wilson-combat-trbca-5-56x45mm-nato-full-auto-profile-bolt-carrier-assembly-black-parkerized","title":"Wilson Combat TRBCA 5.56x45mm NATO Full-Auto Profile Bolt Carrier Assembly - Black Parkerized","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eWilson Combat TRBCA Bolt Carrier Assembly\u003c\/strong\u003e\u003c\/span\u003e is a drop-in replacement bolt carrier group for AR-pattern rifles using the \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003e5.56x45mm NATO\u003c\/strong\u003e\u003c\/span\u003e case head. It is part of Wilson Combat's \u003cstrong\u003e5.56 NATO series\u003c\/strong\u003e, and its \u003cstrong\u003efull-auto-profile carrier\u003c\/strong\u003e provides the external profile and reciprocating mass associated with that configuration.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis assembly uses \u003cstrong\u003esteel construction\u003c\/strong\u003e with \u003cstrong\u003eCarpenter 158 material\u003c\/strong\u003e specified and \u003cstrong\u003eshot-peening\u003c\/strong\u003e for increased strength. It includes a \u003cstrong\u003etool-steel extractor and ejector\u003c\/strong\u003e with the appropriate \u003cstrong\u003eextractor spring\u003c\/strong\u003e. A \u003cstrong\u003eblack Parkerized finish\u003c\/strong\u003e completes the assembly.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe heavier carrier mass can reduce cyclic rate and is particularly useful with \u003cstrong\u003ecarbine-length or shorter gas systems\u003c\/strong\u003e, \u003cstrong\u003eshort-barreled rifles\u003c\/strong\u003e, \u003cstrong\u003esuppressed rifles\u003c\/strong\u003e, and machine guns. The full-auto designation describes the carrier profile and weight; the component alone does not make a rifle fully automatic.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eWilson Combat subjects this model to \u003cstrong\u003erandom batch high-pressure testing (HPT)\u003c\/strong\u003e. This replacement bolt carrier assembly 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":"Wilson Combat","offers":[{"title":"Default Title","offer_id":54988361400642,"sku":"2587","price":156.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_8de14484-b624-4b4f-be2e-fa5e38ec3ead.png?v=1784132001","url":"https:\/\/centerfiresystems.com\/products\/wilson-combat-trbca-5-56x45mm-nato-full-auto-profile-bolt-carrier-assembly-black-parkerized","provider":"Centerfire Systems","version":"1.0","type":"link"}