CCI Ammunition Maxi-Mag .22 Winchester Magnum Rimfire 40 Grain Jacketed Hollow Point Rimfire Ammo 125 Rounds. Specifications for CCI Ammunition Maxi-Mag .22 Winchester Magnum Rimfire 40 Grain Jacketed Hollow Point Rimfire Ammunition: Manufacturer: CCI Ammunition Caliber: .22 Winchester Magnum Rimfire Bullet Type: Jacketed Hollow Point (JHP) Bullet Weight: 40 grain Cartridge Case Material: Brass Muzzle Velocity: 1875 ft/s Application: Varmint Package Type: Case Primer Style: Rimfire Velocity: 1875 fps Features of CCI Ammunition Maxi-Mag .22 WMR 40gr. JHP Rimfire Ammo - 50 Rounds Clean-burning propellants CCI priming High velocities Maximum energy transfer on impact Package Contents: CCI Ammunition Maxi-Mag .22 Winchester Magnum Rimfire 40 grain Jacketed Hollow Point Rimfire Ammunition What is CCI Ammunition Maxi-Mag .22 Winchester Magnum Rimfire 40 Grain Jacketed Hollow Point Rimfire Ammunition good for? The manufacturer says that it is suitable for varmint.CCI Ammunition 920CC: Maxi-Mag .22 Winchester Magnum Rimfire 40 Grain Jacketed Hollow Point Rimfire Ammo 125 Rounds