Buffalo Bore Ammunition 20G20 Standard Pressure 38 Special 110Gr Handgun Ammo - 20 Rounds - For those wanting a load utilizing an expanding bullet that penetrates very deeply, this is it. These lead free, all copper Barnes TAC-XP bullets have great penetration in flesh and bone. Buffalo Bore utilizes a flash retarded powder in this load, so the vision of the shooter will not be significantly impaired.