I am just buying a bunch of this stuff. Been waiting for it to come available again. I shoot it in an AR pistols and rifles with CMMG conversion kit and polymer filled charging handle. It has a 1:7 twist. With this equipment the round is very stable and accurate at least to 150 meters. It is, as designated, subsonic sniper ammo for urban environments. It has the accuracy to be placed where most effective and quiet enough for the mission given appropriate supporting equipment. You can ever head s..