Quote Originally Posted by Anatoly Lebed View Post
The upper, barrel, BCG, ejector spring, extractor and extractor spring are all brand new. I installed the Colt copper extractor spring before I fired the first shot. So it’s not the extractor spring.
Every cycling, extraction or ejection problem that gets posted about here and that same guy blames it on the extractor spring...

No matter what - 'You need a new Colt extractor spring'.