I shoot a full auto M16-A2 today. It was converted to 22lr. The gun had bassicaly no recoil, and very little muzzle climb. I kept 3 shots with in about 4 inches at 50yds. I also shot an MP-5, and for a 9mm the gun had alot of muzzle climb. Probably looking at about 1ft for a 3 shot group.