.38-55 Winchester

1884 · Ballard / Winchester · 5 firearms in catalog

Also known as: .38-55 Win, .38-55 WCF

Cartridge specifications

Bullet Diameter9.6 mm (0.378")
Neck Diameter9.93 mm (0.391")
Base Diameter10.82 mm (0.426")
Case Length54.1 mm (2.130")
Overall Length66.29 mm (2.610")
Max Pressure207 MPa (30,000 psi)
Typical Bullet Weight16.2 g (250 gr)
Typical Muzzle Velocity396 m/s (1299 fps)
Typical Muzzle Energy1270 J (937 ft·lbf)
Primer TypeLarge Rifle
Cartridge TypeRimmed
Introduced1884

Firearms chambered in .38-55 Winchester