This solid copper hollow-point bullet construction results in near 100% weight retention regardless of the barriers encountered. Light-for-caliber bullet weights produce low perceived recoil, high velocity, and reliable expansion from todays compact personal defense handguns. Series Defense Caliber 10mm Auto Application Home Defense Bullet Type Solid Copper Hollow Point Bullet Weight 130 gr Muzzle Energy 535 ft lbs Boxes Per Case 40 Rounds Per Box 25 Casing Material Brass Muzzle Velocity 1362 fps Unit Of Measure box