Sometimes you need your rimfire shootin’ iron to act like a shotgun. CCI has you covered. The shotshells hold a charge of small lead pellets in a special plastic capsule. Designed for short range pest control to about 15 feet. Not designed to cycle semi-auto firearms, but can be manually cycled in most semi-autos. Specifications: - Caliber: 22 Magnum RF - Grain: 52 - Bullet Type: #12 shot - Per 20 - 22 Magnum has 52 grains of #12 shot at 1000 ft/sec - Will not harm your gun barrel - Any residue comes out with standard cleaning methods - Clean-burning propellants keep actions cleaner - Sure-fire CCI priming - Reusable plastic box with dispenser lid - Short-range pest control