As well as in shorter barrel lengths (~8″) the 300BLK is way top-quality for supersonics, at the very least. Long barrel 300BLK is near pointless IMO, you'll find other rounds that outperform it handily in exactly the same platform, with exact same duration barrels. Much like the a hundred twenty https://300blackoutcases05828.glifeblog.com/37211079/the-definitive-guide-to-300-blackout-brass