As well as in shorter barrel lengths (~eight″) the 300BLK is far top-quality for supersonics, at the very least. Extended barrel 300BLK is in the vicinity of pointless IMO, you could find other rounds that outperform it handily in the exact same platform, with exact same size barrels. Measuring only https://andersonzkudl.ziblogs.com/39232794/the-best-side-of-300-blackout-brass