{"product_id":"fn-ar-15-5-56x45mm-nato-14-70-carbine-length-barrel-cold-hammer-forged-chrome-lined","title":"FN AR-15 5.56x45mm NATO 14.70\" Carbine Length Barrel - Cold Hammer Forged Chrome Lined","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eFN 36420\u003c\/span\u003e\u003c\/strong\u003e is a genuine \u003cstrong\u003eFN\u003c\/strong\u003e \u003cstrong\u003eAR-15\u003c\/strong\u003e barrel built on the standard M4 carbine profile. Cut to \u003cstrong\u003e14.70 inches\u003c\/strong\u003e of usable length, this barrel is chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e5.56x45mm NATO\u003c\/span\u003e\u003c\/strong\u003e and uses a \u003cstrong\u003ecarbine length gas system\u003c\/strong\u003e for reliable cycling with a wide range of ammunition.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eEach barrel is \u003cstrong\u003ecold hammer forged\u003c\/strong\u003e from FN's proprietary \u003cstrong\u003eChrome Moly Vanadium steel\u003c\/strong\u003e using the same process used in FN's machine gun barrels. The bore and chamber are \u003cstrong\u003echrome lined\u003c\/strong\u003e for extended service life and corrosion resistance, and the exterior is finished in a durable \u003cstrong\u003eblack manganese phosphate\u003c\/strong\u003e. The muzzle is threaded \u003cstrong\u003e1\/2x28\u003c\/strong\u003e for standard muzzle devices and is designed around a \u003cstrong\u003e.750\" gas block journal\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis is a brand-new replacement barrel ready to be installed on an existing upper receiver. Whether you are building a clone-correct carbine or replacing a worn-out factory barrel, the FN 36420 delivers the same \u003cstrong\u003eFN\u003c\/strong\u003e quality found in their complete rifles.\u003c\/span\u003e\u003c\/p\u003e","brand":"FN","offers":[{"title":"Default Title","offer_id":55101944299842,"sku":"154340","price":311.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_485b41e0-1d0d-4067-b6d4-f14f43494baa.png?v=1784792350","url":"https:\/\/centerfiresystems.com\/products\/fn-ar-15-5-56x45mm-nato-14-70-carbine-length-barrel-cold-hammer-forged-chrome-lined","provider":"Centerfire Systems","version":"1.0","type":"link"}