.56-50 Spencer

1860 · Christopher Spencer · 4 firearms in catalog

Also known as: .56-50

Cartridge specifications

Bullet Diameter13.21 mm (0.520")
Neck Diameter13.59 mm (0.535")
Base Diameter14.35 mm (0.565")
Case Length32.77 mm (1.290")
Overall Length41.4 mm (1.630")
Max Pressure110 MPa (15,000 psi)
Typical Bullet Weight22.68 g (350 gr)
Typical Muzzle Velocity274 m/s (899 fps)
Typical Muzzle Energy850 J (627 ft·lbf)
Primer TypeLarge Rifle
Cartridge TypeRimmed
Introduced1860

Firearms chambered in .56-50 Spencer