https://www.cobratac.com/category/barrel-2/
16″ BARREL. H-BAR STAINLESS STEEL FINISH 1/9 twist These barrels are chambered in 556×45 and are made from 416 stainless steel. These are completely manufactured in Southern California at our local machine shop. This barrel weight 2 pounds and pitch thread is 1/2 x 28.
Post time: Jun-25-2017