.204 Ruger

2004 · Ruger / Hornady · 13 firearms in catalog

Also known as: 204 Rgr, .204 Rgr

Cartridge specifications

Bullet Diameter5.18 mm (0.204")
Neck Diameter5.84 mm (0.230")
Base Diameter9.6 mm (0.378")
Case Length47.72 mm (1.879")
Overall Length57.4 mm (2.260")
Max Pressure413 MPa (59,500 psi)
Typical Bullet Weight2.27 g (35 gr)
Typical Muzzle Velocity1220 m/s (4003 fps)
Typical Muzzle Energy1690 J (1246 ft·lbf)
Primer TypeSmall Rifle
Cartridge TypeRimless
Introduced2004

Firearms chambered in .204 Ruger