As well as in shorter barrel lengths (~8″) the 300BLK is far exceptional for supersonics, at least. Extended barrel 300BLK is around pointless IMO, you will discover other rounds that outperform it handily in a similar platform, with exact same size barrels. One last Be aware, suppress taking pictures can https://300-blackout-reloading96295.ampedpages.com/facts-about-300-blackout-projectiles-revealed-65872172