.450/.400 Nitro Express 3-inch

1902 · W.J. Jeffery · 1 firearm in catalog

Also known as: .450/.400 NE 3", .400 Jeffery

Cartridge specifications

Bullet Diameter10.36 mm (0.408")
Neck Diameter11.05 mm (0.435")
Base Diameter13.13 mm (0.517")
Case Length76.2 mm (3.000")
Overall Length98.55 mm (3.880")
Max Pressure262 MPa (38,000 psi)
Typical Bullet Weight25.9 g (400 gr)
Typical Muzzle Velocity655 m/s (2149 fps)
Typical Muzzle Energy5556 J (4098 ft·lbf)
Primer TypeLarge Rifle
Cartridge TypeRimmed
Introduced1902

Firearms chambered in .450/.400 Nitro Express 3-inch