Features:115 gr. solid copper/lead free projectile13.5?14.5+ inches of Penetration5.5?7.5+ inches of Diameter Spread2 inch Groupings at 15 yards1080 FPS average (+/ ? 10%)9 Separate Wound ChannelsPrecision MachinedMaximum expansion through light or heavy clothing as opposed to other self defense rounds that do not expand at all.