As well as in shorter barrel lengths (~eight″) the 300BLK is far excellent for supersonics, at the very least. Prolonged barrel 300BLK is close to pointless IMO, you'll find other rounds that outperform it handily in the exact same platform, with same length barrels. The five.56 NATO origin Tale operates https://holdenjqqon.articlesblogger.com/61186706/the-5-second-trick-for-300-blackout-cases