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 LR Bullet Type: Hollow Point (HP) Bullet Weight: 40 gr Muzzle Energy: 183 ft lbs Muzzle Velocity: 1435 fps Casing Material: Brass Rounds Per Box: 100 Boxes Per Case: 20 Hazair: Yes
