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. – Cartridge: 17 Hornady Magnum Rifle – Muzzle Velocity: 2375 fps – Muzzle Energy: 250 ft / lbs – Bullet Weight: 20 – Bullet Type: XTP Jacket Hollow Point – Rounds Per Box: 50 – Rounds Per Case: 1000
