And in shorter barrel lengths (~8″) the 300BLK is way superior for supersonics, at the least. Long barrel 300BLK is in close proximity to pointless IMO, you will discover other rounds that outperform it handily in precisely the same System, with identical length barrels. Measuring only at 1.72″ in length, https://300-aac-brass18158.blognody.com/45652114/top-300-aac-brass-secrets