As well as in shorter barrel lengths (~8″) the 300BLK is way remarkable for supersonics, at the very least. Very long barrel 300BLK is in the vicinity of pointless IMO, you will find other rounds that outperform it handily in the same System, with same length barrels. Considering that the https://300blackoutbrass30111.bloguerosa.com/37284266/300-aac-brass-an-overview