Aguila's Field puts fear in deer with pellets leaving the muzzle at a blistering 1,220 ft/sec, deer simply don't stand a chance. Our strict quality assurance program and ballistics evaluations ensure dependability and smooth cycling. Specifications:Model: FieldGauge: 20 GaugeShot Size: 2 BuckRounds Per Box: 25Length: 2.75"Application: Home DefenseBoxes Per Case: 10Muzzle Velocity: 1220 fpsOunces: 1 oz