[gunplumber]

I think you mean the charging handle, not extractor. The extractor is located inside the boltface and has nothing to do with firing. It sounds like the bolt may not be going to the rear far enough to let the hammer set so the hammer follows the bolt back down. This is not a common problem that I have seen with these guns. When the gun does fire after you charge it manually, does it eject the empty? When it doesn't fire, is there any kind of mark on the primer? Also check that the bolt is closed all the way before you fire. Load the gun with one round in the mag, pull the hndl all the way to the rear and let it go and be sure the bolt goes all the way closed, also be sure the safety is in the "on" position. Put a wide pc of masking tape across the open channel where the chrg hndl runs back and forth, starting just behind the handle and going all the way past the rear of the slot. Remove the mag so it will not lock the bolt back after it fires. Fire the gun and you will then see by the ripped tape how far the bolt is moving to the rear when it fires and also be able to see if the bolt goes all the way forward and in the closed position. The gun should now be empty, hammer set and ready to fire again; see if it will dry fire. If it doesn't, but then you can move the handle all the way back manually then all the way forward to the closed position and it will dry fire, there is a problem. Are you shooting factory loads?