A breaching round is a shotgun shell which is fired at a range of 4-6 inches, aimed between the door knob and door jamb, destroying the locking mechanism.
A breaching round is a shotgun shell made for combat situations which is specially designed for the purposes of breaching doorways. It is typically fired at a range of 4-6 inches, aimed between the door knob and door jamb, destroying the locking mechanism.