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  • AR 15 markings

    Does anyone know what the "L" before the MP stands for on a 16" NATO .556 1/9 twist barrel?

    Tried looking it up- no luck. My Colt is "C" for chrome lined.

    Randy

  • #2
    Originally posted by likeitfast55 View Post
    Does anyone know what the "L" before the MP stands for on a 16" NATO .556 1/9 twist barrel?

    Tried looking it up- no luck. My Colt is "C" for chrome lined.

    Randy
    Is it an LMT upper? If it's marked L MP, it's probably an LMT barrel that's been magnetic particle inspected.
    "When the people find that they can vote themselves money, that will herald the end of the republic." -Benjamin Franklin
    "A democracy will continue to exist up until the time that voters discover that they can vote themselves generous gifts from the public treasury." -Alexander Fraser Tytler

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    • #3
      Yea CJ the MP is the x-ray or "particle inspection", but the L is a mystery. e-sarcoinc is where I bought it. Have any idea about it? No info is given on specs, wataya think?
      I am assuming that LMT makes these? That's Louis Machine tools right?

      Randy

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      • #4
        Originally posted by likeitfast55 View Post
        Yea CJ the MP is the x-ray or "particle inspection", but the L is a mystery. e-sarcoinc is where I bought it. Have any idea about it? No info is given on specs, wataya think?
        I am assuming that LMT makes these? That's Louis Machine tools right?

        Randy
        Yes, I believe that's an LMT barrel. Good barrel, no need to look too much into it.
        "When the people find that they can vote themselves money, that will herald the end of the republic." -Benjamin Franklin
        "A democracy will continue to exist up until the time that voters discover that they can vote themselves generous gifts from the public treasury." -Alexander Fraser Tytler

        Comment

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