Buffalo Bore loads their ammunition up to maximum SAAMI specifications, which delivers devastating performance on a wide range of game. Please note that this ammunition is not intended for older guns. It is made for modern firearms only, as some of the ammunition could damage older and weaker firearms. This ammunition is new production, non-corrosive, in boxer primed, reloadable brass cases. Owner of Buffalo Bore Tim Sundles on 44 Special Ammunition: This new Heavy 44 SPL load is designed for use in all 44 SPL handguns and rifles, except Charter Arms Bull Dog. Likewise, it is safe for use in all 44 magnum chambered firearms. This Barnes X type bullet will expand on flesh and bone and penetrate more deeply than most expanding lead core bullets of the same weight. Expect roughly 16 to 18 inches of penetration. We've utilized a flash retardant powder so the shooter will not be blinded by their own gunfire should they need to drop the hammer in low light. As always, Buffalo Bore ...