Silver soldering Ithaca barrel

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7018

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Super GunNutz
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I have an Ithaca M 87 Featherlight 12 gauge shotgun.
It has the quick change barrel feature, unfortunately the forward lug on the barrel that contacts the pin on the magazine cap is broken off.
I'm looking for imput on the best way to reattach it, I'm thinking Silver solder.
Anybody done one of these or had this problem.

Gun is pretty much mint except for that, I think that it may have been broken by the previous owner while trying to dissassemble it, unlike other pump shotguns the magazine cap has to be screwed ON further to allow barrel to turn 90 degrees to be removed. I think he kept unscrewing the cap and broke the lug off the barrel.

Imput appreciated.

Thanks
 
Don't waste your time with this project, send the barrel back to the company for the repair, they might not even charge you.
bigbull
 
bigbull said:
Don't waste your time with this project, send the barrel back to the company for the repair, they might not even charge you.
bigbull
Click to expand...

If its an 87 its an older shotgun. I doubt they'll repair it for free. Maybe contact Ron Sharp or your local gunsmith.
 
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87 is actually a relatively newer Ithaca. The barrels on these are also interchangeable where as the older ones had to be fitted to the receiver.

I'd try the repair through a smith or Welder and if all else fails you could bet a new barrel from Ithaca.
 
diemaco said:
If its an 87 its an older shotgun. I doub't they'll repair it for free. Maybe contact Ron Sharp or your local gunsmith.
Click to expand...

Diemaco I think the 37 is the older model and the 87 the newer. Never the less the lug on these barrels is not silver soldered from what I remember, they use a different process to attach the lugs, I know that if it was me I wouldn't put heat in the middle of a tube without expecting bad things to happen at either end!
bigbull
 
The 37 was renamed the 87 (1987 relatively recently in the nearly 100 year old design) then changed BACK to 37. It hasn't been the 87 in awhile (since 1996).

The point I was trying to make was that the factory is unlikely to repair it for free. Anything after ~63 IIRC should have interchangeable barrels.
 
bigbull said:
Diemaco I think the 37 is the older model and the 87 the newer. Never the less the lug on these barrels is not silver soldered from what I remember, they use a different process to attach the lugs, I know that if it was me I wouldn't put heat in the middle of a tube without expecting bad things to happen at either end!
bigbull
Click to expand...

One of the outfits, Winchester, IIRC, made some aluminum shotgun barrels.
Wall thickness was about .010" (ten thousandths of an inch).
They were thin enough that guys grabbing the barrels between their fingertips to feel how thin they were, would dent them. The solution was to draw a pull-through through the barrel to push out the dent, and then go shoot them. Just to give an idea of the stresses on a shotgun barrel...

Not much going on in a shotgun barrel that far out from (or right next to) the chamber. A quick heat to flow out some silver solder isn't going to make any significant changes to the metallurgy, or cause any warping to worry about.

Filling the barrel with inert gas, or smearing the inside up with anti scale paste, would be a wise thing to do, though.

Silver soldering goes best, when the prep work is done carefully, the whole job being mostly set-up, prep, cleaning, etc. The actual soldering is about a minute of the job or less.

Cheers
Trev
 
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