It is possible (and/or feasible) to rethread a rifle barrel that has been previously threaded in order to rebarrel a different rifle?

If there's enough metal left on the barrel to thread into a new action. In most cases the barrel is cut back behind the original threaded area and rethreaded on a lathe with a single point thread cutter for the new action. There has to be enough meat (metal) on the barrel to allow you to rechamber to the original or a new cartridge left on the barrel.

Best bet would be to check with a gunsmith that does rebarreling. This usually works well with heavy barrels and often won't work with sporting weight barrels.

How much do you think that operation would run? I'm just thinking speculatively, as it looks like rebarreling a .22 could be made pretty easily by just having one of the many aftermarket 10/22 barrels cut and then rechambered and threaded etc. or if possible, just rethreaded. Or I just thought of something... what about simply threading a cylinder (cut to length and diameter) over the existing threading and then threading the exterior of that cylinder to fit the action that you want to rebarrel (pretty much making a threaded spacer to fill in the gap between the different threadings)?

If you just want to fix a 22 long rifle that has shot out the rifling having a liner installed is the simply way to do that. Brownell's has the liners and drills and they just glassbed them in and rechamber them. I've been out of the business for quite a few years so am not up on costs today.

You'd have to contact some active gunsmiths in your area to see not only who does that but what they charge.

As far as doing stub barrels I just don't know. Perhaps some of our other members could help you out there.

EXACTLY what kind of .22 receiver are you wanting a barrel threaded for?

If you are looking at threading a 10/22 receiver and barrel, that is easy - (riflesmith for 24 yrs.). If you are indeed talking about 10/22's, then threading a .920 bull barrel would be your best bet as there would be plenty of "meat" to work with as you would have and adequate shoulder to allow the barrel to butt solidly and squarely against the receiver...

as far as barrel size goes, i have been building several SUPER 10/22's that have barrels that are from 1.200" to 1.250" in diameter and screwed into the receivers. These guns will consistantly shoot under 1/4" at 50 yards and under inch at 100 yards with the gund preferred choice in ammo. barrel length is also kept to a total length of 16 1/4" for less hang time in the bore and since accuracy is paramount over velocity...

I hope I did'nt confuse the issue too bad but just tried to offer another thought to what it sounds like you may be doing....

A