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Thread: Eliminating "wiggle"

  1. #11
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    Quote Originally Posted by TWR View Post
    Why would that be?

    Not to be confused with an armchair commando but I've fired a few rounds with one in my old Colt (and a few more) without any problems. In fact with the takedown pin locking it in place, it's hard for me to imagine what might happen. Just curious.
    They break up with use.
    When a piece breaks off, it ends up in the FCG.

    Also, they cause wear on the receiver and upper where the pin slides through.
    After years and years of using one, you will find that the receiver has even MORE rattle when you remove it.
    It's sorta like Armor-All.
    Once you start, you can't stop or you end up worse off than when you started.
    Randall Rausch
    AR15 Barrel Guru
    California Precision Rifle Club founding member

  2. #12
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    I had an accuwedge end up in my FCG at a EAG class in may . It did not bind up the hammer/trigger at the time(opened up the carbine to get out a blown primer that was stuck in the barrel extension) but surely would have given some time. I would like to think that I did not close the receiver with it loose but it is the most likely way it happened. After that I removed all of the accuwedges from my carbines and have learned to live with the little bit of wiggle.
    Last edited by R.D.; 07-03-07 at 13:57. Reason: Clarification
    Robert

  3. #13
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    Quote Originally Posted by AR15barrels View Post
    Actually, half of the o-ring ends up in your trigger and the other half falls off the outside.
    I have actually SEEN this happen as well.
    The carrier/bolt must have grabbed the piece of o-ring and taken it back to the FCG.
    +1
    Not really sure how this can happen as the o-ring is outside of the weapon from the beginning. When the upper and lower are closed there isn't room for the o-ring to go inside of the upper.

  4. #14
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    I would have never thunk it.

    I only have a Colt with a Diamaco upper left that uses one, guess I'll remove it and see how bad the "wiggle" is. My other 2 are fine without one but seems like that Diamaco upper was on the small end of spec and the Colt lower was on the large end.

  5. #15
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    Quote Originally Posted by MH64 View Post
    Not really sure how this can happen as the o-ring is outside of the weapon from the beginning. When the upper and lower are closed there isn't room for the o-ring to go inside of the upper.
    I don't know how it happened either.
    All I know is that after I removed the piece of o-ring from under the trigger and showed it to the owner, he said "that's where the rest of that o-ring went..."
    Turns out that the front part fell off earlier.
    Randall Rausch
    AR15 Barrel Guru
    California Precision Rifle Club founding member

  6. #16
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    all my uppers/lowers have some 'wiggle' to them - some are tighter than others. however, i only notice the play when i'm not shooting the rifle. i cannot recall ever noticing it when i'm actually shooting, since i'm always putting tension on the upper (either by supporting it or pulling back on a vertical grip), so it's never been an issue to worry about when it counts. YMMV.

  7. #17
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    I would like to thank everyone for their input!

  8. #18
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    yeah, great thread.

  9. #19
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    Quote Originally Posted by nationwide View Post
    Here's a hint.

    If the wobble was bad, it wouldn't be there!
    That's funny. That's exactly what my circle of AR15 buddies told me when I inquired about the "play" between the upper & lower. And it's true -- shoot it enough and you won't even notice it . Good info here!
    Last edited by Mojo58; 07-05-07 at 20:25. Reason: additional info
    "Most standards are set low to accomodate the bottom feeders of life who lack the personal pride, motivation and determination to rise above the rest." - Paul Howe

  10. #20
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    Quote Originally Posted by Mojo58 View Post
    That's funny. That's exactly what my circle of AR15 buddies told me when I inquired about the "play" between the upper & lower. And it's true -- shoot it enough and you won't even notice it . Good info here!
    The more I shoot the more I notice (like time slowing down, brass leaving the ejection port, the push of the stock into my shoulder, the smell of the powder, the rise and fall of the sights etc). When you do it enough you'll notice it too, it's like your mind is watching your body perform a well rehearsed play all by itself without thought. It's awareness (aka Zen).......................too deep for many.

    "The right shot at the right moment does not come because you do
    not let go of yourself. You do not wait for fulfillment, but
    brace yourself for failure. So long as that is so, you have no
    choice but to call forth something yourself that ought to happen
    independently of you, and so long as you call it forth your hand
    will not open in the right way--like the hand of a child."


    --Kyudo Master Kenzo Awa to Eugen Herrigel in Zen in the Art of Archery.
    Chief Armorer for Elite Shooting Sports in Manassas VA
    Chief Armorer for Corp Arms (FFL 07-08/SOT 02)

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