My 2 buddies and I have been shooting PD’s for an over 20 years w calibers from 17 AI hornet to 6 dasher. All of us have switched to a 20 caliber as our primary PD gun. Our favorites are 204 Roger, 20P, and 20BR w a 39 gr Blitzking or 40 gr V-max. The 223 w 40 to 55 gr bullets just can’t...