Answer: Shotguns

1. 
Name: TASER® X12 Less Lethal Shotgun by Mossberg
Gauge: TASER XREP (Modified 12-gauge Taser shells only.)
Action: Pump.

2.
Name: RMB-93
Gauge: 12-gauge
Action: Pump action

3.
Name: Saiga 12
Gauge: 12 Gauge
Action: Semi-Auto. Gas-operated, rotating bolt

4.
Name: Franchi SPAS-12
Gauge: 12 Gauge
Action: Pump action

5.
Name: Armsel Striker (Street Sweeper)
Gauge: 12 Gauge
Action: Similar to that of a revolver (Double action)

6.
Name: Atchisson Assault 12 (AA12)
Gauge:12 Gauge
Action: Selective fire, forced gas blowback operated

7.
Name: Akdel MKA 1919
Gauge: 12 Gauge
Action: Gas Operated, Semi-Automatic

8.
Name: Kel-Tec KSG
Gauge: 12 Gauge
Action: Pump

9. 
Name: Techno Arms MAG-7
Gauge: 12 Gauge
Action: Pump

10.
Name: Safir Arms AT-14
Gauge: .410 Bore
Action: Semi Auto short-stroke gas piston