| Fosbery Pump Shotgun | |
|---|---|
| Type | Shotgun |
| Place of origin | |
| Specifications | |
| Cartridge | 16 Gauge |
| Barrels | 1 |
| Action | Pump-action, Rotating bolt |
| Feed system | 5 round box Magazine |
The Fosbery Pump Shotgun was a prototype pump action shotgun designed in 1891 chambered in 16 Gauge. [1] [2] [3] The weapon was the first to use a multi-lug rotating bolt predating what would later be used on the M1941 Johnson machine gun and the ArmaLite AR-10.