Jeff said: I used 1000 rounds of the in my mp5 and only had 2 failures. 1 was a failure to eject, the other was a failure to detonate.Hold your firearm tighter. Luke dude Will not talk to reported: New to me. Cheep so I requested five containers. Just shot 1 whole 15 round mag outside of my Glock 43X. Liked it! Sure it does have quite gentle recoil