Federal Premium Speed Shok 12 Gauge 1 1/8oz 2-3/4in Speed Shok Centerfire Shotgun Ammo 6 Shot 25 Rounds WF145. Its Catalyst lead-free primer and fast-burning powder dramatically reduce residue while its optimized velocities knock birds out of the sky. Specifications for Federal Premium Speed Shok 12 Gauge 1 1/8oz 2 3/4in Speed Shok Shotgun Ammunition: Manufacturer: Federal Gauge: 12 Number of Rounds: 25 Shell Length: 2 3/4 in Muzzle Velocity: 1500 ft/s Application: Waterfowl Shotgun Shot Weight: 1 1/8 oz Shot Material: Steel Primer Style: Centerfire Cartridge Case Material: Brass Lead Free: No Type: Steel Length: 3 in Features of Federal Premium Speed Shok 12 Gauge 1 1/8oz 2 3/4in Speed Shok Shotgun Ammunition Improved loads Fast-burning clean propellant leaves drastically less residue in the barrel and action High-performance primer provides the most complete consistent ignition possible Optimized velocities Package Contents: Federal Premium Speed Shok 12 Gauge 1 1/8oz 2 3/4in Speed Shok Shotgun Ammunition What is Federal Premium Speed Shok 12 Gauge 1 1/8oz 2 3/4in Speed Shok Shotgun Ammunition good for? The manufacturer thinks that it is good for waterfowl.Federal WF145 6: Premium Speed Shok 12 Gauge 1 1/8oz 2-3/4in Speed Shok Centerfire Shotgun Ammo 6 Shot 25 Rounds