And in shorter barrel lengths (~eight″) the 300BLK is way outstanding for supersonics, at least. Long barrel 300BLK is in the vicinity of pointless IMO, you will find other rounds that outperform it handily in a similar System, with same length barrels. Keep on with posted information only, the one https://300-aac-brass73062.blogofoto.com/69670393/fascination-about-300-blackout-projectiles