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This message has been edited. Last edited by: dwd1985,

Mine has acted up like you described from time to time...a good cleaning with a spray cleaner such as Gunscrubber works wonders. A lot of residue from dirty .22 ammo (Remington Thunderturds are the worst offenders) gets packed up under the extractor to limit it's movement enough to keep it from making good contact with the rim (My Browning Buck Mark does the same thing when it needs a good cleaning.)

Use the little plastic straw thingy to direct the spray cleaner under pressure while working the extractor with your finger to desolve and work the crap out...I lube with Rem Oil or Black Diamond lube and it's good to go till the next cleaning.

quote:

Originally posted by dwd1985:
My Sig 522 extractor seems weak. Once a round is chambered, it rarely if ever is able to extract it by pulling the charging handle, and I also have frequent FTE issues. Has anyone replaced the extractor or spring? If so do you know what parts are needed and how difficult it is to do?

Failure to extract when pulling the charging handle is is one thing but failure to eject after firing is another.
It is after all a blow back design.

It may be something in the chamber is hanging up the brass and not the extractor that is at fault.

A couple of suggestions. First, get a Bore Snake and run it down the barrel occasionally. Second, use an old technique that bullseye shooters have been using forever. Run a small bead of gun oil on the top cartridge in every magazine. It will keep the fouling soft and will assist with ejection. An open bottle of gun oil on a shooters bench or in his gun box is a very common sight on the shooting line at a match with rimfire shooters.