7.7x56mmR Japanese
1929 · 2 firearms in catalog
Also known as: 7.7mm Type 89, .303-pattern Japanese, 7.7x56R
Cartridge specifications
| Bullet Diameter | 7.92 mm (0.312") |
| Neck Diameter | 8.64 mm (0.340") |
| Base Diameter | 11.68 mm (0.460") |
| Case Length | 56 mm (2.205") |
| Overall Length | 78 mm (3.071") |
| Max Pressure | 365 MPa (52,900 psi) |
| Typical Bullet Weight | 11.35 g (175 gr) |
| Typical Muzzle Velocity | 745 m/s (2444 fps) |
| Typical Muzzle Energy | 3150 J (2323 ft·lbf) |
| Primer Type | Large Rifle |
| Cartridge Type | Rimmed |
| Introduced | 1929 |
Firearms chambered in 7.7x56mmR Japanese
- Type 90 Navy Machine Gun — Imperial Japanese Navy Arsenals · Machine Gun · 1930
- Type 92 Lewis — Imperial Japanese Navy Arsenals · Machine Gun · 1932
Cartridge family
Parent cartridge: .303 British