.17 Hornady Magnum Rimfire

2002 · Hornady · 60 firearms in catalog

Also known as: .17 HMR

Cartridge specifications

Bullet Diameter4.5 mm (0.177")
Neck Diameter4.85 mm (0.191")
Base Diameter6 mm (0.236")
Case Length26.8 mm (1.055")
Overall Length34.4 mm (1.354")
Max Pressure179 MPa (26,000 psi)
Typical Bullet Weight1.1 g (17 gr)
Typical Muzzle Velocity775 m/s (2543 fps)
Typical Muzzle Energy330 J (243 ft·lbf)
Cartridge TypeRimmed
Introduced2002

Firearms chambered in .17 Hornady Magnum Rimfire

Cartridge family

Parent cartridge: .22 Winchester Magnum Rimfire