And in shorter barrel lengths (~8″) the 300BLK is much superior for supersonics, at the very least. Extensive barrel 300BLK is close to pointless IMO, you can find other rounds that outperform it handily in a similar platform, with exact same size barrels. For that rationale, the various armies supplemented https://300aacbrass98715.blogginaway.com/39555180/5-simple-techniques-for-300-blackout-brass