As well as in shorter barrel lengths (~8″) the 300BLK is far top-quality for supersonics, a minimum of. Extensive barrel 300BLK is close to pointless IMO, you'll find other rounds that outperform it handily in the same platform, with similar length barrels. Confirmed. Without end. We carry high-good quality products https://williami160jvg7.thenerdsblog.com/profile