How Can I Remove This Barrel extension?

joe n

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Off an M1 carbine. Will it screw up the barrel? Thanks Gentlemen,
Joe

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Eliminator! That's what I meant! Thanks for that, lmk if the pics are working now for you!
 
It's pretty hard to tell if it is a slip on or if it is threaded.

I would clamp the barrel in a vise, heat up the extension with a propane torch, stick the biggest screwdriver I could fit into one of the slots and try twisting it off counterclockwise. Need more torque? Stick another screwdriver in the opposite side.

I'm thinking that it is a sleeve, silver soldered onto the original diameter of the barrel end up to the front sight.
 
It would depend on how it is fastened on. Look very carefully for any mechanical attachments - blind pins, screws, etc. Can't see any evidence in the photos. It may well be affixed with high temperature silver solder. It MIGHT be possible to heat it up and see if it will release, although this could take dull red heat. There is no reason to try to save the hider. Cutting or turning it off might be an option. If it has been silver brazed on, it is likely going to be necessary to refinish the muzzle, but that isn't a problem.
 
As an aside, I don't think that taking off the muzzle break will in any way screw up your barrel. One way or the other, you will have to make amends with the area that the brake was attached to but structurally, you will not hurt it.

Is structurally really a word? And if it is, did I spell it right?
 
As an aside, I don't think that taking off the muzzle break will in any way screw up your barrel. One way or the other, you will have to make amends with the area that the brake was attached to but structurally, you will not hurt it.

Is structurally really a word? And if it is, did I spell it right?
structurally = you nailed it ;)
 
If it's an extension that was installed to make it unrestricted, it would be illegal to remove it as the rifle would be restricted.

It could be silver soldered on.
 
"...installed to make it unrestricted..." Barrel extensions of any kind don't count any more.
Like Tiriaq says, it depends on how it is attached. Likely soldered, but may be brazed too. Solder will come off with heat, not red hot though. Red hot will damage the barrel. Use a propane torch with the screw drivers or vise grips. Brazing needs to be cut off.
 
It's already restricted, but thanks for the info, that did occur to me. Will know more tonight, thanks all!:)
If it's an extension that was installed to make it unrestricted, it would be illegal to remove it as the rifle would be restricted.

It could be silver soldered on.
 
When the extensions were first done, silver soldering a piece of tube on the barrel was OK, but that rule was changed later, but the previous guns were still legal.
 
Removing an extension attached with high temperature silver solder (silver braze) won't take any more heat than it took to attach it in the first place. The barrel has already been heated. Low temperature silver bearing solder was never an approved method of attaching a barrel extension.
There are all sorts of barrels which have had brazing done on them during manufacture. Remington front sight ramps were brazed on at one time. Some double gun barrels are brazed together. Gas blocks are brazed on the undersides of some barrels. It can be important to use an anti-scale compound in the bore to prevent oxidation.
 
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