SME's self-healing 8 gong target features an advance polymer technological material that is self-seal after bullet passes through. The bullet impact spins target around the frame, so there is no need to reset target. The light weight compact design makes for easy transport, while the rugged and tough material will handle thousands of rounds and provide countless hours of fun. This model is rated for all firearm calibers .22 .5O cal. rifles and pistols.