12 Gauge

1870 · Various · 361 firearms in catalog

Also known as: 12GA, 12 Bore

Cartridge specifications

Bullet Diameter18.53 mm (0.730")
Base Diameter20.2 mm (0.795")
Case Length70 mm (2.756")
Overall Length70 mm (2.756")
Max Pressure74 MPa (11,500 psi)
Typical Bullet Weight32 g (494 gr)
Typical Muzzle Velocity400 m/s (1312 fps)
Typical Muzzle Energy2560 J (1888 ft·lbf)
Primer TypeShotshell 209
Cartridge TypeRimmed
Introduced1870

Firearms chambered in 12 Gauge

Cartridge family

Derived cartridges