And in shorter barrel lengths (~8″) the 300BLK is much exceptional for supersonics, at the least. Prolonged barrel 300BLK is in close proximity to pointless IMO, you will find other rounds that outperform it handily in the same platform, with exact same length barrels. Persist with printed information only, the https://300-aac-reloading18417.timeblog.net/74802850/fascination-about-300-blackout-brass