Rimfire ammunition is a metal cartridge that fires when it strikes the rim of a firing pin cartridge. Inside the cartridge case, the primer compound is evenly distributed around the perimeter, allowing the firing pin to strike anywhere around the edge.
Can I shoot HM2 in .17 HMR?
17 HMR is a very popular 17 hm2 ammo round, available from CCI, Hornady, and now Norma. The 17 Mach 2 (HM2) is making a comeback as it is less expensive than the 17 HMR and can be fired from a converted rifle. 22 LR as it shares. 22 LR OAL cartridge.
What is a 17 HMR rifle for?
. 17 HMR is primarily used for mid-range small game and vermin hunting. The speed and accuracy of the bullet make it ideal for hunting rabbits, opossums and raccoons up to 200 yards.