Armscor .22 WMR

A: Jim, ----((Features and Specifications)): - Caliber: .22 WInchester Magnum Rimfire - Category: Rimfire - Bullet Type: Jacketed Hollow Point Projectile - Bullet Weight: 40 Grains - Muzzle Velocity: 1875 fps - Muzzle Energy: 312 ft/lbs - Casing: Reloadable Brass - Quantity: 50 Rounds - Uses: Plinking, Target Practice, Varmint and Small Game Hunting.

A: Honey, I'm not sure but keep this in mind, it depends on the length of the barrel. For example, if you shoot this out of a North American Arms mini 22 mag then the muzzle velocity will be different versus a carbine length rifle or longer.

A: Jim. This round has a Muzzle Velocity of 1875 fps out of 20" barrel.