As well as in shorter barrel lengths (~eight″) the 300BLK is much superior for supersonics, a minimum of. Extended barrel 300BLK is close to pointless IMO, you could find other rounds that outperform it handily in the exact same System, with similar size barrels. Castings are robotically or manually floor https://messiahalvdn.jiliblog.com/94138515/how-much-you-need-to-expect-you-ll-pay-for-a-good-300-blackout-reloading