Winchester Super-X Shotshell 20 Gauge 20 Pellets 2.75in Centerfire Shotgun Buckshot Ammo 5 Rounds. Specifications for Winchester Super-X Shotshell 20 Gauge 20 Pellets 2.75" Shotgun Buckshot Ammunition: Manufacturer: Winchester Gauge: 20 Shell Length: 2 3/4 in Muzzle Velocity: 1200 ft/s Included Accessories: Standard Application: Varmint Deer Shot Size: 3 Shot Material: Lead Primer Style: Centerfire Cartridge Case Material: Plastic Shotgun Pellet Count: 20 Lead Free: No Features of Winchester SUPER-X SHOTSHELL 20 Gauge 20 Pellets 2.75" Centerfire Shotgun Buckshot Ammunition: Buffered ShotEnsures tighter patterns Hard Hitting BuckshotProven stopping power for both deer hunters and personal defense High VelocityProvides greater energy transfer Package Contents: Winchester SUPER-X SHOTSHELL 20 Gauge 20 Pellets 2.75" Centerfire Shotgun Buckshot Ammunition What is Winchester Super-X Shotshell 20 Gauge 20 Pellets 2.75" Shotgun Buckshot Ammunition good for? The manufacturer suggests that it is good for deer varmint.Winchester SUPER-X SHOTSHELL 20 Gauge 20 Pellets 2.75in Centerfire Shotgun Buckshot Ammo 5 Rounds XB203