.577/450 Martini-Henry
1871 · 6 firearms in catalog
Also known as: .577/450, .450 Martini-Henry, 11.43x60mmR
Cartridge specifications
| Bullet Diameter | 11.43 mm (0.450") |
| Neck Diameter | 12.01 mm (0.473") |
| Base Diameter | 14.86 mm (0.585") |
| Case Length | 60.4 mm (2.378") |
| Overall Length | 79.5 mm (3.130") |
| Typical Bullet Weight | 31.1 g (480 gr) |
| Typical Muzzle Velocity | 390 m/s (1280 fps) |
| Typical Muzzle Energy | 2365 J (1744 ft·lbf) |
| Primer Type | Large Rifle |
| Cartridge Type | Rimmed |
| Introduced | 1871 |
Firearms chambered in .577/450 Martini-Henry
- Gardner Gun — Pratt & Whitney · Machine Gun · 1874
- Howdah Pistol — British Gun Trade (various London makers) · Pistol · 1870
- Martini-Henry Mark III — Royal Small Arms Factory · Rifle · 1879
- Martini-Henry Mk I — Royal Small Arms Factory · Rifle · 1871
- Martini-Henry Mk IV — Royal Small Arms Factory · Rifle · 1887
- Nordenfelt Gun — Nordenfelt Guns and Ammunition Company · Machine Gun · 1873