{"product_id":"cmmg-bbl-sub-assembly-223rem-12-5-multi-role","title":"CMMG BBL SUB ASSEMBLY 223REM 12.5 MULTI ROLE","description":"Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced. - 5.56x45 NATO Chamber - 12.5 - Multi Role Profile - 4140 Chrome Moly - Salt Bath Nitride Finish inside and out - 1:7 Twist - Threaded 1\/2-28 - Carbine length gas port - .750 Gas Journal","brand":"CMMG","offers":[{"title":"Default Title","offer_id":46272732659851,"sku":"CMMG 55DDF0A","price":193.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/8581\/8251\/files\/296649458.jpg?v=1776908558","url":"https:\/\/taktactical.com\/products\/cmmg-bbl-sub-assembly-223rem-12-5-multi-role","provider":"Taktactical.com","version":"1.0","type":"link"}