Fiocchi Defense Dynamics Low Recoil 12 Gauge 1 oz 2 3/4in Slug Shotgun Ammo 10 Rounds. They deliver perfromance; delivering a 1oz slug at 1150fps utlizing only the finest components and production standards. Specifications for Fiocchi Defense Dynamics Low Recoil 12 Gauge 1 oz 2 3/4'' Slug Shotgun Ammunition: Manufacturer: Fiocchi Gauge: 12 Number of Rounds: 10 Shell Length: 2 3/4 in Muzzle Velocity: 1150 ft/s Included Accessories: None Shot Material: Lead Primer Style: Centerfire Lead Free: No Shot Size: Slug Shotgun Shot Weight: 1 oz Length: 4.62 inches Package Contents: Fiocchi Extrema 12 Gauge 1 oz 2 3/4'' Shotgun Slugs Ammunition Fiocchi 12LRSLUG: Defense Dynamics Low Recoil 12 Gauge 1 oz 2 3/4in Slug Shotgun Ammo 10 Rounds