20x82mm

1940 · Mauser · 2 firearms in catalog

Also known as: 20mm MG151, 20x82mm Mauser

Cartridge specifications

Bullet Diameter20 mm (0.787")
Neck Diameter21.4 mm (0.843")
Base Diameter25 mm (0.984")
Case Length82 mm (3.228")
Overall Length131 mm (5.157")
Max Pressure320 MPa (46,412 psi)
Typical Bullet Weight115 g (1775 gr)
Typical Muzzle Velocity720 m/s (2362 fps)
Typical Muzzle Energy29808 J (21985 ft·lbf)
Primer TypeCenterfire
Cartridge TypeRimless
Introduced1940

Firearms chambered in 20x82mm