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As in .22 WMR? That is the full name of the cartridge- the .22 Winchester Magnum Rimfire- usually called the .22 magnum
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.
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.
A .22 revolver takes CARTRIDGES. Which .22 cartridge will depend on what caliber the revolver was made for. A .22 LR can shoot Long Rifle or Short cartridges, and a .22 WMR uses .22 magnum cartridges. They do not interchange. There are a few .22 revolvers that have 2 cylinders, and can shoot either cartridge.
No. .22 WMR (22 magnum) has a larger diameter than 22 LR, and will split the cartridge casing. Accuracy will not be good- bullet sort of rattles down the barrel.
A 22 WMR cartridge should be a bit too fat for a 22 LR chamber. If the magnum shells will go into the cylinder but it is NOT marked 22 WMR, I wouldn't shoot it at all! If it IS marked as a magnum, don't use standard 22s.
Only if that is what is marked on the barrel. 22 LR and 22 WMR are not interchangeable.
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
.22 Remington Special is Remington's name for the cartridge more commonly known as .22 WRF (Winchester Rimfire). It is NOT the same as .22 S, L or LR and will NOT chamber in guns designed for those cartridges. .22WRF was the "original" .22 magnum cartridge, introduced in 1890. It is now semi-obsolete, allthough CCI and others occasionaly produce a small ammount of the ammunition. The modern .22 WMR (Winchester Magnum Rimfire) was introduced in 1959. It is by far the more popular cartridge- .22WRF CAN be fired in a gun chambered for .22WMR, but not the reverse. Neither .22 WRF or WMR will chamber in a gun designed for .22 S, L or LR.
No.