CCI Ruger Firearms 70th Anniversary 22LR was developed by CCI to commemorate the 70th anniversary of Ruger Firearms, wrapped in a special collector's packaging. This ammo delivers the same velocities as CCI's premier match rimfire rounds, and is new production and non corrosive. Specifications and Features: Caliber: 22LR Bullet Weight: 40 Grain Bullet Type: Copper Plated Lead Round Nose (LRN) Muzzle Velocity: 1,235 fps Muzzle Energy: 135 ft-lbs Quantity: 100 Rounds per Box