.22 Mag shell only.
Only if that is what is marked on the barrel. 22 LR and 22 WMR are not interchangeable.
Winchester Magnum Rimfire (WMR)
As in .22 WMR? That is the full name of the cartridge- the .22 Winchester Magnum Rimfire- usually called the .22 magnum
I think you mean 22 WMR ammo. If you buy ammo just ask for the 22 WMR which is different then other 22 ammo
Only if it is chambered for it. If you are not sure, take it to a gunsmith.
win. mag. rimfire
The designation of using .22WMR means that your Marlin model 25M will shoot only .22 Magnum rimfire ammo.The .WMR stands for Winchester Magnum Rimfire.The model 25M (M means Magnum Rimfire) also express,s this.
Yes
There is a .22 WRF, and a .22 WMR. WRF is Winchester Rimfire. Bigger than a ,22 Long Rifle, but shorter than a .22 WMR- Winchester Magnum Rimfire. If someone is using the term .22 MRF, it is an inaccurate term.
No
Yes
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.