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Broken Bayonet Repair Help Question

Posted: Thu Feb 10, 2011 5:43 pm
by JAG2955
There's a guy around here selling a broken 16" M1 bayonet. It comes with the sheath, so I'll probably grab it, since it's dirt cheap. It's broken just behind the crossguard, underneath where the grips would be.

Then I found this:
http://www.gunpartscorp.com/catalog/Det ... et&catid=0

I'm thinking that it might be a fun project...especially if I could rely on someone here who could weld...would this be repairable? I'd wind up with a "real" though repaired 16" bayonet for under $80, plus whatever I'd have to [strike]bribe[/strike] reward someone with for fixing it. I'd have to set up my electrolysis tank to get the rust off of the blade. It's likely to be pitted, based on the pics that I saw.

Add this:
http://www.gunpartscorp.com/catalog/Det ... et&catid=0
And some grips and screws.

Of course, this would be for me, I wouldn't sell it without disclosing exactly what it was. Think this is worth it?

Re: Broken Bayonet Repair Help Question

Posted: Fri Feb 11, 2011 10:30 pm
by JAG2955
No one? No opinions from the most opinionated opinioners who ever opinioned?

Re: Broken Bayonet Repair Help Question

Posted: Fri Feb 11, 2011 10:38 pm
by Netpackrat
I don't see any reason why you couldn't do it, if you just want something for display purposes.

Re: Broken Bayonet Repair Help Question

Posted: Fri Feb 11, 2011 10:54 pm
by DwightG
Not sure what alloy(s) they used for bayonets. Also depends on the carbon content. Maybe just plain medium to high carbon steel. You'd want to find an appropriate filler metal, pre-heat and post heat after welding and re-heat treat. Some alloy and high carbon steels don't weld very readily without extra measures. They'll sometimes crack right behind the weld as you're welding. Given a good preheat , post heat and slow cooling or immediate re-heat treat, you can probably stick it back together successfully.

Re: Broken Bayonet Repair Help Question

Posted: Fri Feb 11, 2011 11:31 pm
by ZeroGravitas
Worst case, it ends up as a dagger project, as in "Knifemakers don't make mistakes, they just make smaller knives".