22Mag in 22LR Revolver

[Sapper33]

Is it generally safe to use 22Mag ammo in a 22LR revolver? I got a Sauer and Sohn "Westerner" revolver, the cylinder is certainly long enough to fit 22Mag ammo, and just how beefy the cylinder is gives me the impression it would be fine. But are there any general rules about this?

Wouldn't normally care, but I've got some 22Mag ammo with nothing to put it through.

 

[Samopal]

I definitely wouldn't try it. If it were safe to fire .22 MAG from it the barrel would say .22 LR / .22 MAG.

 

[bck1968]

A 22 WMR case is a couple hundreths of an inch wider than 22.

 

[mbbushman]

The 22 mag shouldn't fit if the chambers are sized correctly. A friend of mine rechambered an old Hi-Standard .22 revolver to .22 mag, with no problems. We put thousands of rounds through it.

 

[G P]

Different diameters, wouldn't fit. Also not safe to put 22LR in 22Mag guns.

 

[curtmg]

It would only be safe in a revolver with both a separate 22lr and a 22Mag cylinder. The cases are considerably different sizes, 22mag shouldn't fit in a 22lr, and 22lr should be really loose in a 22mag.
Like any not necessarily safe behaviour, it might work until something blows up.

 

[tjhaile]

.22 WMR uses .224" bullets, just like most centrefire .22s. .22 S/L/LR use .222" bullets.

Convertible revolvers with two cylinders use the larger bore diameter.