Winchester Super X 12 Gauge 1oz 2 3/4in Slug Shotgun Ammo 15 Rounds. Specifications for Winchester Super X 12 Gauge 1oz 2 3/4in Slug Shotgun Ammunition: Manufacturer: Winchester Gauge: 12 Number of Rounds: 15 Shell Length: 2 3/4 in Muzzle Velocity: 1300 ft/s Application: Hunting Shot Material: Lead Primer Style: Centerfire Bullet Type: Slug Cartridge Case Material: Plastic Lead Free: No Shotgun Shot Weight: 1 oz Features of Winchester Super X 12 Gauge 1oz 2 3/4in Slug Shotgun Ammunition Heavyweight Knockdown Low Recoil Reliable Functioning in Semi-Auto Platforms Package Contents: Winchester Super X 12 Gauge 1oz 2 3/4in Slug Shotgun Ammunition What is Winchester Super X 12 Gauge 1oz 2 3/4in Slug Shotgun Ammunition good for? The manufacturer suggests that it is suitable for hunting.Winchester X12RS15VPR: Super X 12 Gauge 1oz 2 3/4in Slug Shotgun Ammo 15 Rounds