Winchester Repeating Arms

Winchester Super-X Rimfire cartridges are the most technologically advanced ammunition. By combining advanced development techniques and innovative production processes they have elevated ammunition performance to its highest level. - Caliber: 22 Winchester Magnum Rimfire - Bullet Weight: 40 gr - Bullet Type: Jacketed Hollow Point - Muzzle Energy: 324 ft / lbs - Muzzle Velocity: 1910 fps - Rounds Per Box: 50