{"product_id":"barrel-sub-assm-16-1-mt-416ss-300-blk","title":"Barrel Sub-assm, 16.1\" Mt 416ss, 300 Blk","description":"Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced.\u003cbr\u003e\u003cbr\u003eFeatures:\u003cbr\u003e\u003cbr\u003e- Medium Taper Profile\u003cbr\u003e- 416 Stainless Steel\u003cbr\u003e- Bead Blast Finish\u003cbr\u003e- Carbine Length Gas Port\u003cbr\u003e\u003cbr\u003eSpecifications:\u003cbr\u003e\u003cbr\u003e- Chamber: 300 AAC Blackout\u003cbr\u003e- Length: 6.10? \u003cbr\u003e- Twist: 1:7\u003cbr\u003eThreaded: 5\/8-24\u003cbr\u003e- Gas Journal: .750?","brand":"CMMG, Inc","offers":[{"title":"Default Title","offer_id":15210967498818,"sku":"189706","price":199.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0086\/9043\/4114\/products\/GS189706.jpg?v=1555652256","url":"https:\/\/greensupply4.myshopify.com\/products\/barrel-sub-assm-16-1-mt-416ss-300-blk","provider":"greensupply4","version":"1.0","type":"link"}