And in shorter barrel lengths (~eight″) the 300BLK is much excellent for supersonics, at the very least. Very long barrel 300BLK is around pointless IMO, you will discover other rounds that outperform it handily in exactly the same System, with identical duration barrels. Hell, when you don’t foresee pieing corners, https://300-blackout-brass41840.getblogs.net/70914858/300-blackout-cases-secrets