Haendler & Natermann H&N Piledriver Domed Airgun Pellets .177 Caliber / 21 Grains (250 Count) Excellent for hunting/For PCP rifles only Content: 250 air gun pellets Pellet Caliber/Weight: .177 Caliber / 21 Grains For air pistols / rifles with a minimum muzzle energy of 18.5 ft.lbs Screw-on lid prevents accidental pellet spills