As well as in shorter barrel lengths (~8″) the 300BLK is way top-quality for supersonics, at the very least. Prolonged barrel 300BLK is in the vicinity of pointless IMO, you can find other rounds that outperform it handily in precisely the same System, with identical size barrels. Just warning when https://300blackoutreloading18518.bloggerswise.com/46842444/top-latest-five-300-aac-reloading-urban-news