.17 Hornady Magnum Rimfire

2002 · Hornady · 4 firearms in catalog

Also known as: .17 HMR, 17 HMR

Cartridge specifications

Bullet Diameter4.37 mm (0.172")
Neck Diameter4.76 mm (0.187")
Base Diameter6.86 mm (0.270")
Case Length26.83 mm (1.056")
Overall Length33.53 mm (1.320")
Max Pressure186 MPa (26,000 psi)
Typical Bullet Weight1.3 g (20 gr)
Typical Muzzle Velocity775 m/s (2543 fps)
Typical Muzzle Energy390 J (288 ft·lbf)
Primer TypeRimfire
Cartridge TypeRimmed
Introduced2002

Firearms chambered in .17 Hornady Magnum Rimfire

Cartridge family

Parent cartridge: .22 WMR