KEL-TEC KS7 Bullpup Shotgun (12 Gauge) 18.5" Barrel with 1913 Rail (Black) - 7 Round Capacity, Vertical Pistol Grip All of our shotguns are chambered for 3 shells and fire a wide variety of projectiles. The dual tubes feature a selector switch that we affectionately call, the world's fastest reload. They're all downward-ejecting and completely ambidextrous.