What's in the Box Mossberg 500 Tactical 12 Gauge Pump Shotgun with Forearm Strap and Breaching Barrel Owner's Manual Built rugged for military, police, and law abiding citizens, the Mossberg 500 Tactical offers mission-ready shotguns for any scenario. This exclusive model includes a forearm strap for managed recoil, as well as a breeching barrel. Firearm Specifications Manufacturer: Mossberg Model: 500 Tactical Gauge: 12 Gauge Barrel Length: 18.5" Chamber: 3" Finish: Matte Black Front Sight: Bead Stock: Black Synthetic Capacity: 6