Ruger made a hawkeye centerfire, 256 win.
1944
Centerfire
1913
Winchester magnum rimfire
The 22wmr stands for Winchester magnum rimfire.
AROUND 1917.
1991
Only if it's a .22 Long Rifle revolver. It's not compatible with the .22 Winchester Magnum Rimfire.
No published data.
yes it is a rimfire
Depends on which cartridge it's intended to fire... if it's something like a .22 LR, it'll be a rimfire. If it fires a cartridge which a primer centred in the rear of the casing, then it'll be a centrefire.
Browning Arms Co, never manufactured a Revolver.