Remington 22 Cyclone 22 Long Rifle 36gr HP Rimfire Ammo - 50 Rounds - Prairie dogs. Tin cans. Or a bulls-eye. No matter what you put in your sights, Remington Cyclone is the perfect 22 rimfire ammunition for any occasion. Remington rimfire ammunition delivers the same quality you'd expect from their centerfire ammunition, so you'll get the maximum performance from every shot.