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Thread: Gas Tube Life

  1. #21
    Join Date
    Aug 2007
    Location
    Tennessee
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    Quote Originally Posted by markm View Post
    The gas tube never appeared to have any binding before. And the weird thing is that there doesn't appear to be any uneven wear. Either the key chewed up the whole gas tube evenly, or it never had the step up that seals in the key.

    I'll be watching the new key closely to see if there's any strange wear.
    Check the inside of the gas key as well.

    Ive had a few that had tool marks,more accurately described as ridges,on the key internal surafces.Easily seen with white light and can be felt easily on a new tube prior to assembly.I had one BCG I missed this on and the gas tube bulb was effectively filed down rather quickly.

    Have also had one that the bore of the gas key was not fully drilled to same I.D. and got tight in the rear of the gas key on the gas tube.This also caused premature/deformation wear on gas tube bulb.

    One thing I really like about the hated MIM gas keys that LMT uses is the bores are smooth as glass and very consistent I.D..Personally think these keys will wear the gas tube less than the hard chrome standard models....but speculation on my part.
    Glock Certified Armorer
    Armed Protective Services II

  2. #22
    Join Date
    Sep 2007
    Location
    AZ
    Posts
    27,217
    Feedback Score
    14 (100%)
    Yeah... I'll have to check that. I did run q-tips in the key and it didn't feel too bad.
    "You people have too much time on your hands." - scottryan

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