As well as in shorter barrel lengths (~eight″) the 300BLK is much outstanding for supersonics, at least. Very long barrel 300BLK is near pointless IMO, yow will discover other rounds that outperform it handily in precisely the same System, with exact same length barrels. Considering that the 300BLK was to https://gregorywhrai.idblogmaker.com/36752355/what-does-300-aac-brass-mean