{"product_id":"patriot-ordnance-factory-roller-cam-pin-upgrade-kit-223-rem-5-56x45mm-nato-ar-platform","title":"Patriot Ordnance Factory Roller Cam Pin Upgrade Kit 223 Rem\/5.56x45mm NATO AR-Platform","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003ePatriot Ordnance Factory Roller Cam Pin Upgrade Kit\u003c\/span\u003e\u003c\/strong\u003e is a drop-in upgrade for \u003cstrong\u003eMil-Spec direct impingement bolt carrier groups\u003c\/strong\u003e in \u003cstrong\u003e223 Rem \/ 5.56x45mm NATO\u003c\/strong\u003e \u003cstrong\u003eAR-platform\u003c\/strong\u003e rifles. The kit pairs a precision \u003cstrong\u003eroller cam pin\u003c\/strong\u003e with a matching \u003cstrong\u003emodified (notched) gas key\u003c\/strong\u003e, replacing the standard sliding cam pin to convert the bolt's rocking motion into a rolling motion against the upper receiver. The result is reduced friction, smoother cycling, and less wear on the upper receiver track during operation.\u003c\/span\u003e\u003c\/p\u003e","brand":"Patriot Ordnance Factory","offers":[{"title":"Default Title","offer_id":54990727020866,"sku":"5172","price":42.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_67dc1ce1-13a8-4cd1-b524-fcfe7f20af99.png?v=1784184372","url":"https:\/\/centerfiresystems.com\/products\/patriot-ordnance-factory-roller-cam-pin-upgrade-kit-223-rem-5-56x45mm-nato-ar-platform","provider":"Centerfire Systems","version":"1.0","type":"link"}