As well as in shorter barrel lengths (~8″) the 300BLK is far remarkable for supersonics, a minimum of. Extensive barrel 300BLK is close to pointless IMO, yow will discover other rounds that outperform it handily in exactly the same System, with exact same size barrels. Just like the 125-grain Nosler https://jeffreyvfqyf.techionblog.com/39129046/getting-my-300-blackout-cases-to-work