Buy 17 Hornady Magnum Rimfire

17 Hornady Magnum Rimfire, commonly known as the .17 HMR, is a rimfire rifle cartridge developed by the ammunition company Hornady in 2002, 500 rounds

Bullet diameter: .172 in (4.4 mm)
Rim diameter: .286 in (7.3 mm)
Neck diameter: .190 in (4.8 mm)
Base diameter: .238 in (6.0 mm)
Shoulder diameter: .238 in (6.0 mm)
Case length: 1.058 in (26.9 mm)
Parent case: .22 WMR