M91 Feeding (Interrupter) problem

[Troublco]

I have a M1891 Finnish Capture that I experience feeding issues with; specifically it likes to double feed. The interrupter appears to be in good shape, I've lubed it but it still does it. I've compared it to the same part in several other mosins I own and it appears to be OK without measuring it and another one. Any ideas? Or should I just find a replacement? Thanks, all!

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[LostSoul]

It's not a "rim-lock" problem, is it?

[jmoore]

Describe "double feed", exactly. Gotta be picky with this term as it's horribly misapplied most of the time. That said, interrupters cause most dramas in these rifles. Buy a spare one or two and try 'em, AFTER removing the one in the rifle and cleaning out the slot in the receiver and reinstalling.