I just made these informal tests today shooting newspapers soak for 1
week.fired at 15 feet.First row is Federal XM9HA 147gr,Second row is
155gr Gold Dot,Third row is Federal HST 180gr, Fourth row is Federal
XM40HC 180gr HST. All of them penetrated approx. 11 inches except the
XM40HC which penetrated 13inches.just for fun.enjoy. The XM9HA 147gr has consistent Lead Petal separation.Guns used G23 and G19.