I think you mean 22 WMR ammo. If you buy ammo just ask for the 22 WMR which is different then other 22 ammo
WMR stands for Winchester Magnum Rimfire- and is the proper name for the 22 Magnum. They are the same cartridge. The 22 WRF is the Winchester rimfire, and is a shorter, less powerful version of the 22 magnum.
Only if that is what is marked on the barrel. 22 LR and 22 WMR are not interchangeable.
No
As in .22 WMR? That is the full name of the cartridge- the .22 Winchester Magnum Rimfire- usually called the .22 magnum
It uses the 22 Magnum cartridge. MRF stands for "magnum rim fire". It uses the 22 Magnum cartridge. MRF stands for "magnum rim fire".
No. The case of a 22 WMR is longer than that of a 22 lr, so the cartridge won't fit in a rifle that is chambered for 22 lr.
Yes
No.
No
22 Magnum Rim Fire
.22 Mag shell only.