PPU's Handgun ammunition is brass-cased, non-corrosive boxer primed and features improved bullet designs which result in greater energy performance, bullet expansion, and reliability. Series Defense Caliber 10mm Auto Application Home Defense Bullet Type Flat Point Jacketed Bullet Weight 170 gr Muzzle Energy 469 ft lbs Boxes Per Case 10 Rounds Per Box 50 Casing Material Brass Muzzle Velocity 1115 fps Unit Of Measure box