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Thread: Bolt carrier "catching"

  1. #31
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    If your carriers shrouded at the firing pin collar it's irrelevant.

    (I see in your pic on pg 1 that you indeed have that crappy ramped carrier.... The pin looks ok, but getting a standard carrier is a must)
    Last edited by markm; 11-29-12 at 15:19.
    "You people have too much time on your hands." - scottryan

  2. #32
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    Actually, the M16 pin is the small one, and the large-diameter comes to us courtesy of Colt, for ARs with ramped carriers.

    As for the cost, a new firing pin is $10, retail. A no-name carrier starts at $70, and they go up from there.

    If he really wants a new carrier, fine. But a ten-dollar firing pin does solve the problem.

  3. #33
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    Quote Originally Posted by patrick sweeney View Post
    Actually, the M16 pin is the small one, and the large-diameter comes to us courtesy of Colt, for ARs with ramped carriers.
    Absolutely WRONG.

    The large collar won't function in a ramped carrier.

    And not ONE single Colt M16 Firing pin I've EVER owned was the small collar. They reduced the collar for the Disconnecter failure lockout... and notched the hammer.
    "You people have too much time on your hands." - scottryan

  4. #34
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    Time to pull out the dial calipers.

  5. #35
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    markm is correct, it appears. I have a newer LE6920 w/M16/FA carrier and an older 6550 with the neutered BCG and notched hammer, so I broke them out for a test. The firing pin collar on the FA has a larger diameter than the older piece. Running the new firing pin in the old cut-out carrier makes the BCG lock up on the hammer, just like in the OP's pics.

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