As well as in shorter barrel lengths (~eight″) the 300BLK is way top-quality for supersonics, at least. Prolonged barrel 300BLK is around pointless IMO, you'll find other rounds that outperform it handily in the exact same platform, with exact same duration barrels. Hell, for those who don’t foresee pieing corners, https://300blackoutbrass30739.blogchaat.com/39285123/the-best-side-of-300-blackout-brass