And in shorter barrel lengths (~eight″) the 300BLK is far top-quality for supersonics, no less than. Long barrel 300BLK is close to pointless IMO, you will discover other rounds that outperform it handily in the exact same platform, with exact same size barrels. The aac-sd with 110gr Sierra varmint bullets https://finnjvwlt.ambien-blog.com/45558000/300-blackout-brass-things-to-know-before-you-buy