And in shorter barrel lengths (~eight″) the 300BLK is way remarkable for supersonics, no less than. Prolonged barrel 300BLK is around pointless IMO, you'll find other rounds that outperform it handily in exactly the same platform, with similar size barrels. Stick to printed knowledge only, the only real exception is https://eduardozdzxv.tokka-blog.com/39200849/the-definitive-guide-to-300-blackout-projectiles