Defense Line Handgun ammunition is loaded with PPU's innovative, proprietary jacketed bullets that maximize stopping power by providing improved expansion and maintaining bullet density. When protecting yourself and others the stakes are always high, depending on PPU quality, performance, and dependability. Series Handgun Caliber 357 Mag Application Home Defense Bullet Type Jacket Hollow Point Bullet Weight 158 gr Muzzle Energy 906 ft lbs Boxes Per Case 10 Rounds Per Box 50 Casing Material Brass Muzzle Velocity 1607 fps Unit Of Measure box