.56-56 Spencer
1860 · Christopher Spencer · 2 firearms in catalog
Also known as: .56-56 Spencer Rimfire, 56-56
Cartridge specifications
| Bullet Diameter | 14.22 mm (0.560") |
| Neck Diameter | 14.22 mm (0.560") |
| Base Diameter | 14.22 mm (0.560") |
| Case Length | 22.4 mm (0.882") |
| Overall Length | 41 mm (1.614") |
| Typical Bullet Weight | 22.7 g (350 gr) |
| Typical Muzzle Velocity | 366 m/s (1201 fps) |
| Typical Muzzle Energy | 1521 J (1122 ft·lbf) |
| Cartridge Type | Rimmed |
| Introduced | 1860 |
Firearms chambered in .56-56 Spencer
- Spencer Carbine — Spencer Repeating Rifle Company · Carbine · 1863
- Spencer Model 1860 Repeating Rifle — Spencer Repeating Rifle Company · Rifle · 1860