.45-70 Government

1873 · U.S. Army Ordnance Department · 75 firearms in catalog

Also known as: .45-70, .45-70 Govt, 11.6x53mmR

Cartridge specifications

Bullet Diameter11.63 mm (0.458")
Neck Diameter12.1 mm (0.476")
Base Diameter12.95 mm (0.510")
Case Length53.5 mm (2.106")
Overall Length60.45 mm (2.380")
Max Pressure193 MPa (28,000 psi)
Typical Bullet Weight26.2 g (404 gr)
Typical Muzzle Velocity411 m/s (1348 fps)
Typical Muzzle Energy2215 J (1634 ft·lbf)
Primer TypeLarge Rifle
Cartridge TypeRimmed
Introduced1873

Firearms chambered in .45-70 Government