This load is a very high performance P 45 ACP load. The 185gr. hollow cavity Barnes all copper bullet mushrooms readily and still penetrates deeply while giving the low recoil and high velocity of a light bullet. This helps fast sight acquisition for quickaccurate followup shots. Expect roughly 13 to 14 inches of penetration in flesh and bone. This load utilizes a low flash powder which gives an important tactical advantage to the shooter.