Nambu Rifle Manufacturing Company · Submachine-Gun · Out Of Production · 1942
| Weight (empty) | 3800 g (134.0 oz) |
| Overall Length | 890 mm (35.04") |
| Barrel Length | 228 mm (8.98") |
| Magazine Capacity | 30 rounds |
| Action Type | Blowback |
| Firing Mechanism | Hammer Fired |
| Muzzle Velocity | 335 m/s (1099 fps) |
| Muzzle Energy | 370 J (273 ft·lbf) |
| Effective Range | 120 m (131 yd) |
| Frame Material | Steel |
Primary Caliber: 8x22mm Nambu
The Type 100 was the only submachine gun produced by Imperial Japan in any meaningful quantity, designed by Kijiro Nambu and adopted in 1942. It is a blowback-operated, open-bolt weapon chambered in the relatively underpowered 8x22mm Nambu pistol cartridge, fed from a 30-round side-mounted curving magazine. Distinctive features include a perforated barrel jacket and a bayonet lug — a uniquely Japanese touch on an SMG.
Country of Origin: Japan
Designer: Kijiro Nambu