CCI is known in the shooting sports industry for producing reliable ammunition that delivers exceptional performance shot after shot. CCI shotshell ammunition is no exception. These loads are designed as a potent round for close range pest control and work well for dispatching nuisance vermin. These loads work great as rat shot, snake shot and close range plinking. These rounds work great in revolvers, but they may not function properly in rifle. Do not use these or any other shot cartridge in handguns having ported recoil compensators. This ammunition is new production and non-corrosive.DO NOT USE SHOTSHELLS IN FIREARMS WITH PORTED BARRELS OR PORTED RECOIL COMPENSATORS. DO NOT RELOAD THESE CARTRIDGE CASES. These cases are marked NR (Not Reloadable). Rupture of reloaded cases can cause severe injury. Intended for short-range pest control; not recommended for self-defense. Cylinder lock up may occur in lightweight revolvers due to capsule movement resulting from recoil inertia.