Yes
No
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.
No.
No
As in .22 WMR? That is the full name of the cartridge- the .22 Winchester Magnum Rimfire- usually called the .22 magnum
Depends on the firearm and the caliber marked on it. It could be a .22 Short, .22 Long Rifle (LR) or .22 WMR (magnum). You did not give us enough information to answer- there have been a million (really) .22 caliber handguns made in Italy.
We need to know model of rifle. the model of rifle is 93M 22 WMR its a 22 long rifle
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, you cannot safely shoot a regular .22 LR (Long Rifle) shell in a .22 WMR (Winchester Magnum Rimfire) rifle. The .22 WMR cartridge is longer and has a higher pressure than the .22 LR, which can lead to unsafe conditions, including potential damage to the firearm and injury to the shooter. Always use the appropriate ammunition specified for your firearm.
a .22 caliber
The standard caliber of a biathlon rifle is .22.
A rifle that shoots a .22 caliber bullet.