can easily learn to hit men's torsos at 1/4 mile, from the bipod, in a couple of hours of training. Start them with the .22 unit, canned, subsonic .22 rds. so it's like dryfiring,from the bench. Most fire sub 2" groups at 50m, first try. Quickly move them up to the uncanned .22 unit, and then to prone-bipod. In an amazingly short period of time, the rangefinder scope and match ammo mean you'd be CRAZY to let them fire a shot at you at 1/4 mile, because barring pure LUCK, you'd be dead. So much for 'needing" lots of practice with the rifle.