As well as in shorter barrel lengths (~eight″) the 300BLK is way outstanding for supersonics, at least. Prolonged barrel 300BLK is close to pointless IMO, you could find other rounds that outperform it handily in a similar System, with same size barrels. The punch of the rifle spherical, quiet as https://300-blackout-brass63962.designertoblog.com/69625967/300-blackout-cases-secrets