From Savage Firearms. They bought Stevens in 1920, and it is part of their company.
No. WRF is a larger diameter cartridge, and does not interchange with .22 LR
Yes, a popular rifle.
No. The WRF (Winchester Rim Fire) is a larger diameter cartridge. It is the same diameter are the 22 WMR (Winchester Magnum Rimfire) but is shorter than the magnum, It may be safety fired in a .22 magnum rifle, but not in a 22 LR. 22 LR ammo should NOT be fired in a rifle chambered for 22 WRF.
wal-mart
The .22 WRF uses a larger case, and has a slightly larger bullet diameter (.224, as opposed to .223). The .22 WRF uses a flat nosed slug, as well.
Winchester Ammunition 22 Winchester Rimfire (WRF) 45 Grain Plated Lead Flat Nose Box of 50 Product #: 595733 Status: Available Our Price: $7.29 www.midwayusa.com
.22 WRF or .22 Remington Special
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.
Your Model 90 was a parts clean-up rifle assembled in 1941. Bert H.
Your Model 90 was a "parts clean-up" rifle assembled sometime in the late 1930s or very early 1940s.
With the serial number that you provided,your Winchester model 1890 pump action .22cal rifle was produced in the year 1926.
This rifle was made before 1908. The Winchester Museum in Cody, Wyoming will have more specific information on your 1890 rifle or rifles made between 1890 and 1907 but the last I knew they charged for this information.