{"product_id":"ballistic-adv-classic-series-ar-15-5-56x45mm-nato-10-3-government-barrel-phosphate","title":"Ballistic Adv Classic Series AR-15 5.56x45mm NATO 10.3\" Government Barrel - Phosphate","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eBallistic Adv Classic Series AR-15 barrel\u003c\/strong\u003e\u003c\/span\u003e is a \u003cstrong\u003e10.3 in\u003c\/strong\u003e Government-profile barrel for compact AR-15 builds chambered in \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003e5.56x45mm NATO\u003c\/strong\u003e\u003c\/span\u003e. Its \u003cstrong\u003ecarbine-length gas system\u003c\/strong\u003e uses a \u003cstrong\u003eCrane-spec 0.070 in gas port\u003c\/strong\u003e and a \u003cstrong\u003e0.750 in gas-block journal\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eBuilt from \u003cstrong\u003echrome moly vanadium steel\u003c\/strong\u003e, this barrel has a \u003cstrong\u003echrome-lined bore and chamber\u003c\/strong\u003e with a \u003cstrong\u003eblack manganese-phosphate finish\u003c\/strong\u003e. It uses a \u003cstrong\u003ephosphate-coated M4 feed-ramp extension\u003c\/strong\u003e and \u003cstrong\u003e1:7\u003c\/strong\u003e rifling twist.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe muzzle is threaded \u003cstrong\u003e1\/2x28\u003c\/strong\u003e for compatible muzzle devices. This barrel has \u003cstrong\u003eno sights\u003c\/strong\u003e and weighs \u003cstrong\u003e18 oz\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"Ballistic Adv","offers":[{"title":"Default Title","offer_id":54988478972226,"sku":"160205","price":126.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_2cc8b92e-b7ad-4bb5-9b2c-593491606d9a.png?v=1784136452","url":"https:\/\/centerfiresystems.com\/products\/ballistic-adv-classic-series-ar-15-5-56x45mm-nato-10-3-government-barrel-phosphate","provider":"Centerfire Systems","version":"1.0","type":"link"}