Failure to feed and sticking under the extractor could be
weak spring recoil
burr(s) on the boltface, or feed ramp
rough chamber, boltface and or feed ramp
magazine, magazine spring, or follower
misshaped, frozen, or misaligned extractor
There has to be something that's keeping the round from seating and the slide from continuing forward into battery.
My extensive experience with 3rd gen. pistols has shown they are phenomenally reliable right out of the box. So I'd first send it back to S&W and have them look at it. If still not satisfied I'd send it to Novak's for a reliability check and tune-up.
There has to be a problem somewhere and it's very odd that this is happening to more than one gun.
/c
Last edited by Chuck Jones; 12-17-2010 at 05:48 PM.
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