the extractor was installed after the problems I read about on this forum. I wanted to be pro-active.

Everything on the net is true dontcha know. Fixing what aint broke? In search of a problem that may not exist? Letting the net spend your $ for you. Live and learn, lessons get more expensive with age. Let someone else put double what the gun cost into it (if you want it all tricked out), then buy it used for less than the original gun cost new??? The only issues I've had with my stock 15-22 were when I let the bolt get crudded up & that was only when trying to eject non fired rounds. The blowback design should eject fired rounds. Just cleaning the bore & receiver won't cut it forever. Take the bolt apart (EASY) clean/lube, NOT OVER LUBE, & it should work fine.