Winchester Repeating Arms

Defender uses state-of-the-art threat stopping technology to provide the shooter with every possible advantage. The Defender rimfire cartridge is a 22 Winchester Magnum with a 45-grain jacketed hollow point bullet designed to deliver the ideal personal defense combination of optimum penetration and maximum projectile expansion for maximum energy transfer. - Caliber: 22 Winchester Magnum Rimfire - Bullet Weight: 40 gr - Bullet Style: Jacketed Hollow Point - Muzzle Velocity: 1200 fps - Muzzle Energy: 144 ft / lbs - Rounds Per Box: 50