Winchester Super-X Shotshell Centerfire 12 Gauge 2.75in 1 1/8oz Shotgun Ammo #4 250 Rounds. Specifications for Winchester Super-X Shotshell Centerfire 12 Gauge 2.75in 1 1/8oz Shotgun Ammunition: Manufacturer: Winchester Gauge: 12 Shell Length: 2 3/4 in Muzzle Velocity: 1255 ft/s Application: Hunting Target Shooting Upland Small Game Shotgun Shot Weight: 1 1/8 oz Shot Material: Lead Primer Style: Centerfire Cartridge Case Material: Plastic Lead Free: No Features of Winchester Super-X Shotshell Centerfire 12 Gauge 2.75in 1 1/8oz Shotgun Ammunition High VelocityMore energy per pellet for increased range and shorter leads resulting in greater terminal performance Xpert Steel ShotCorrosion resistant consistent patterns Package Contents: Winchester Super-X Shotshell Centerfire 12 Gauge 2.75in 1 1/8oz Shotgun Ammunition What is Winchester Super-X Shotshell Centerfire 12 Gauge 2.75in 1 1/8oz Shotgun Ammunition good for? The manufacturer thinks that it is good for small game upland target shooting hunting.Winchester XU12H4CS: Super-X Shotshell Centerfire 12 Gauge 2.75in 1 1/8oz Shotgun Ammo #4 250 Rounds