RWS Meisterdugeln .22 Caliber 14.0 G Airgun Pellets RWS/Umarex .22 Meisterkugeln Pellets Caliber: 0.22 caliber/14.0 grains Match grade accuracy Perfect for sighting in and general target shooting High performance finish Meisterkugeln Pellets Caliber is .22 (5.5mm) Quantiy is 250 pellets Ballistic gel penetration .22 caliber 14.0 grains