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Lubricating a Model 8/81?

Posted: Sun Feb 28, 2021 12:38 pm
by doublecanister
What parts need lubrication? It seems there is little metal to metal contact in the bolt carrier group itself and when the bolt recoils against the receiver. The barrel and barrel jacket involve so much spring and buffer action that lubrication is not necessary. I think the only metal to metal contact is when the barrel recoils back into the bolt and that area could use some lubrication. Thoughts on lubrication?

Re: Lubricating a Model 8/81?

Posted: Sun Feb 28, 2021 11:04 pm
by Bandersnatch
Just my view: The bolt raceways, obviously. The bolt head, including the cam pin tracks and locking lugs, and the extractor. A dab of oil in the action spring tube, that's the one behind the bolt. This speeds up bolt movement noticeably. Not too much, as you don't want much oil getting back into the stock and softening the wood.

A drop on the hammer pivot and the hammer roller speeds up the hammer strike.

I like to put a thin layer of molly grease on the barrel itself. The barrels tend to corrode inside the barrel jackets and the grease will keep that to a minimum and with the recoil spring sliding around on it, it can't hurt.

Re: Lubricating a Model 8/81?

Posted: Mon Mar 01, 2021 3:24 pm
by doublecanister
Thanks, thats some good advice.