I have one of the Russian EAA over/under shotguns in for cleaning. Customer complains it’s too stiff to open. I know that these guns are this way as I own one and brother in law owns one. Could I get some lapping compound and use it on the pin and hinge and work it in to loosen it up? Or is it better to let it wear in just by using it? Thanks Gregg
I would NOT put lapping compound on ANY of the working parts. The lapping compound will imbed in the metal and you won’t be able to remove it all so over time it will wear faster than normal. You would shorten the life if the gun. Now when the customer says it is too stiff does he mean the lever tension? Or does he mean the barrels breaking open is too stiff? The top lever tension can be adjusted by the top lever spring or polishing the locking surface so the locking block moves smoother and with less friction it will be easier. Be on your toes when working with locking surfaces on doubles as it won’t take much to wreck them. If it is too stiff breaking the barrels open, I would start by taking off the forearm and seeing if the barrels break open easier with the forearm off. If it is then the forearm iron is too tight. Adjust it like Bob shows in the doubles course. If the barrels are still too tight to break open you will have to find out where they are rubbing and polish and smooth as need. I would try using some good moly grease on the working surfaces. You can always tell the customer that it will work in as he shoots it and he can have the fun of shooting it to make it smoother.
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I will check the forearm. These guns came from the factory tight. It’s not the lever it’s the BBls breaking open that’s too stiff. Like I said I own one and my brother in law owns one. Ours just wore in from use. I can remember when these guns first came out and I looked at one at a hardware store and they were really tight.