The TulAmmo KVB-seven.sixty two primer is NATO spec and cheaper than most and creates the bottom velocity SD's I have seen. The only real technical drawback is they are a slightly restricted match, so you need to be added watchful to get them under flush with the case head. I https://zndhtchenccibr447036.techionblog.com/31544913/federal-215-can-be-fun-for-anyone