And in shorter barrel lengths (~8″) the 300BLK is way outstanding for supersonics, not less than. Long barrel 300BLK is in the vicinity of pointless IMO, yow will discover other rounds that outperform it handily in a similar platform, with same size barrels. Stick with posted details only, the only https://300aacreloading52840.idblogmaker.com/36751380/top-latest-five-300-aac-reloading-urban-news