As well as in shorter barrel lengths (~8″) the 300BLK is far outstanding for supersonics, at the least. Long barrel 300BLK is around pointless IMO, you can find other rounds that outperform it handily in the same platform, with very same duration barrels. The punch of the rifle round, silent https://brass300blackout85947.blogdeazar.com/39278646/fascination-about-300-blackout-projectiles