As well as in shorter barrel lengths (~8″) the 300BLK is far excellent for supersonics, a minimum of. Long barrel 300BLK is close to pointless IMO, you will find other rounds that outperform it handily in precisely the same System, with identical size barrels. Measuring only at 1.72″ in duration, https://alfredb936aku3.hazeronwiki.com/user