FEDERAL PD45P1 PERSONAL DEFENSE PUNCH NO FURTHER A MYSTERY

Fired flawlessly through my Glock. At 21ft went from 10 inch groupings right down to two in groupings working with these things then back again to ten inch groupings right after I utilised it. Clear as day these items is precise with nearly NO recoil. Would not want this inside of a tactical circumstance but if you wish to see how exact you actuall