In the case of a Stevens Favorite, the barrel comes off quite easily.
Some of the tools from my collection.
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Hi Dave!
I'm assuming you and Tom have established that as the new procedure for verifying authenticity of posted pictures?
Larry Potterfield ( I think that's his name) from MidwayUSA has a video on YouTube showing you how to convert a rifle from rim fire to center fire. After moving the firing pin, you would want to rechamber the rifle to 25 WCF.
Welcome to the forum mnovinger!
As to the original post, I saw where someone came out with a kit for reloading .22 rimfire.
http://22lrreloader.com/design-details/ I suppose if you could find/make the brass for the .25 you could use the the stuff they offer to put the primer in them.
FWIW
-Ron