DoubleTap Ammunition Lead Free, 9MM, 77Gr, Solid Copper Hollow Point, 20 Round Box, CA Certified Nonlead Ammunition 9MM77X This is a load that was designed from the ground up to shoot in your tiny sub compact 9mm. It runs at standard 9mm pressures with very little recoil. This load is an excellent choice for home defense or CCW where limited penetration is needed. You will get excellent stopping power with less chance of overpenetration.