As well as in shorter barrel lengths (~8″) the 300BLK is far exceptional for supersonics, not less than. Long barrel 300BLK is near pointless IMO, you'll find other rounds that outperform it handily in the identical platform, with same size barrels. Opinions can only be submitted although becoming logged in. https://reloading300blackoutaac63849.blogprodesign.com/60299964/the-2-minute-rule-for-300-blackout-reloading