Rib extension crack

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Mccloudpd1
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Joined: Tue Apr 14, 2026 4:32 pm

Rib extension crack

Post by Mccloudpd1 »

I’m crushed. I noticed a crack in the rib extension while on the range this week. See attached photo.

I’m thinking about taking out a little material between the barrel and the rib extension with a vertical mill and tigging the crack up. Does anyone else have experience fixing this issue?
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Silvers
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Re: Rib extension crack

Post by Silvers »

Wow, expanding your pic shows the crack from the top rib almost to the bottom. There's really no flexing there and it’s a mystery to me how/why that happened. The extension is a very close fit between the extractor/ejectors and their shell rim cuts; and even if successful you'll have some serious re-machining to get functional. Also complicating things is that the rib extension was originally furnace brazed between the barrel stubs, and usually a "contaminant" like the copper, zinc, etc in the braze will goof up nearby TIG welding. Net, I think a repair isn't practical or maybe even possible. If it were me I’d look for a good used barrel to be retrofitted by a capable ‘smith. An A Grade barrel can be engraved to make it a C Grade as your barrel looks to be. frank
Aan
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