{"product_id":"bbl-sub-assm-16-1-lt-4140cm-sbn-5-56mm","title":"Bbl Sub-assm 16.1\" Lt 4140cm Sbn 5.56mm","description":"The 16.1? lightweight is the perfect barrel for building your custom lightweight AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced.\u003cbr\u003e\u003cbr\u003eSpecifications:\u003cbr\u003e\u003cbr\u003e- Caliber: 5.56×45 NATO Chamber\u003cbr\u003e- Barrel: 16.1?\u003cbr\u003e- Profile: Light Taper \u003cbr\u003e- Material: 4140CM\u003cbr\u003e- Finish: Salt Bath Nitride \u003cbr\u003e- Twist: 1:7 \u003cbr\u003e- Threaded: 1\/2-28\u003cbr\u003e- Gas Port Location: Mid length \u003cbr\u003e- .625? Gas Journal","brand":"CMMG, Inc","offers":[{"title":"Default Title","offer_id":22106433585231,"sku":"300049","price":189.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0092\/7861\/9727\/products\/GS300049.jpg?v=1555679698","url":"https:\/\/green-supply3.myshopify.com\/products\/bbl-sub-assm-16-1-lt-4140cm-sbn-5-56mm","provider":"Green Supply3","version":"1.0","type":"link"}