Winchester Super Match 12 1oz 2 3/4in Slug Shotgun Ammo 10 Rounds. Whether competing on the national stage or training without compromise Super Match delivers performance in all situations. Specifications for Winchester Winchester Super Match 12 1oz 2 3/4in Slug Shotgun Ammunition: Manufacturer: Winchester Gauge: 12 Number of Rounds: 10 Shell Length: 2 3/4 in Application: Competitive Shooting Shot Material: Lead Primer Style: Centerfire Cartridge Case Material: Plastic Lead Free: No Shotgun Shot Weight: 1 oz Package Type: Box Features of Winchester Super Match 12 10oz 2 3/4in Slug Shotgun Ammunition: Accurate: Optimized lead alloy obturates to bore delivering tight groups Box Mag Ready: Thick tube and high head reliably feed competition guns Hard Hitting: Heavy weight lead slug strikes with authority Package Contents: Winchester Winchester Super Match 12 1oz 2 3/4in Slug Shotgun Ammunition What is Winchester Winchester Super Match 12 1oz 2 3/4in Slug Shotgun Ammunition good for? The manufacturer suggests that it is suitable for competitive shooting.Winchester SM12RS: Winchester Super Match 12 1oz 2 3/4in Slug Shotgun Ammo 10 Rounds