{"product_id":"fn-ar-15-5-56x45mm-nato-16-m16-profile-mid-length-barrel-chrome-lined","title":"FN AR-15 5.56x45mm NATO 16\" M16 Profile Mid-Length Barrel - Chrome Lined","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eFN AR-15 5.56x45mm NATO 16\" Barrel\u003c\/span\u003e\u003c\/strong\u003e (FN P\/N 20-100041) is a factory-spec replacement barrel built for mid-length gas system AR-15 rifles. Manufactured by FN to the same standards the company uses on its complete AR platforms, this barrel drops into any standard AR-15 upper set up for a mid-length gas system and is a straightforward upgrade or replacement for worn factory barrels.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe barrel is \u003cstrong\u003ecold hammer forged\u003c\/strong\u003e from U.S.-sourced \u003cstrong\u003eChrome Moly Vanadium\u003c\/strong\u003e steel per Mil-B-11595E, then \u003cstrong\u003ebutton rifled\u003c\/strong\u003e for consistent bore geometry. The \u003cstrong\u003echrome-lined\u003c\/strong\u003e chamber and bore extend service life and make cleaning easier, while the \u003cstrong\u003eM4-style feed ramps\u003c\/strong\u003e and barrel extension promote reliable feeding across a wide range of \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e5.56x45mm NATO\u003c\/span\u003e\u003c\/strong\u003e and \u003cstrong\u003e.223 Remington\u003c\/strong\u003e ammunition.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eFinished in a matte \u003cstrong\u003eManganese Phosphate\u003c\/strong\u003e coating for corrosion and oxidation resistance, the barrel uses the standard \u003cstrong\u003eM16 Government profile\u003c\/strong\u003e. Chambered for \u003cstrong\u003e5.56x45mm NATO\u003c\/strong\u003e and safe to fire commercial \u003cstrong\u003e.223 Remington\u003c\/strong\u003e, each barrel is \u003cstrong\u003ehigh pressure tested\u003c\/strong\u003e at the FN factory before shipment.\u003c\/span\u003e\u003c\/p\u003e","brand":"FN","offers":[{"title":"Default Title","offer_id":55108138467650,"sku":"154333","price":244.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_dcc3b4bc-9675-4eaf-af1d-f9c87f3fe257.png?v=1784801673","url":"https:\/\/centerfiresystems.com\/products\/fn-ar-15-5-56x45mm-nato-16-m16-profile-mid-length-barrel-chrome-lined","provider":"Centerfire Systems","version":"1.0","type":"link"}