And in shorter barrel lengths (~8″) the 300BLK is way remarkable for supersonics, no less than. Very long barrel 300BLK is around pointless IMO, yow will discover other rounds that outperform it handily in exactly the same System, with similar duration barrels. Jake travels the region taking pictures, directing precision https://300-blackout-cases74174.dsiblogger.com/71436472/5-simple-statements-about-300-blackout-reloading-explained