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  • A324
    Senior Member
    • Jan 2007
    • 1041

    Unknown Upper

    Need assistance in trying to determine the maker of this upper. Only visible markings are "FK" near the rear sight and "5.56" on the barrel.

    Last edited by A324; 04-05-2007, 7:50 AM. Reason: I don't know
  • #2
    black_hawk06
    Member
    • Jan 2007
    • 206

    re: upper

    most likely this is made by LMT
    Some people are like Slinkies... not really good for anything, but they still bring a smile to your face when you push them down a flight of stairs.
    LIFETIME NRA MEMBER

    Comment

    • #3
      PIRATE14
      Veteran Member
      • Dec 2005
      • 3189

      Originally posted by black_hawk06
      most likely this is made by LMT
      LMAO........
      CHECKOUT...http://cwstactical.com FOR ALL YOUR CALIFORNIA LEGAL AR-AK-HK RIFLES and BUILDS...

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      Comment

      • #4
        bwiese
        I need a LIFE!!
        • Oct 2005
        • 27621

        Originally posted by PIRATE14
        LMAO........
        Yeah, not 100% sure but I think this is a bottom-feeder upper too.

        Bill Wiese
        San Jose, CA

        CGF Board Member / NRA Benefactor Life Member / CRPA life member
        sigpic
        No postings of mine here, unless otherwise specifically noted, are
        to be construed as formal or informal positions of the Calguns.Net
        ownership, The Calguns Foundation, Inc. ("CGF"), the NRA, or my
        employer. No posts of mine on Calguns are to be construed as
        legal advice, which can only be given by a lawyer.

        Comment

        • #5
          6172crew
          Moderator Emeritus
          CGN Contributor - Lifetime
          • Oct 2005
          • 6240

          I think FK was a bushmaster marking.

          Found this on ar15.com
          CAF Colt / Alcoa Forge (See above for photo)
          CH Colt / Harvey Aluminum (1st Colt Forgings)
          CM Colt / Martin Marietta (See above for photos)
          DK Diemaco / Kaiser
          FK, FS, BK, DK, EK, FK, AF, CW, AA, FS Bushmaster
          LK FN / Kaiser
          LM LAR / Martin Marietta (Army Spares Contract)
          Splintered A Olympic Arms
          sigpic
          HMM-161 Westpac 1994

          Comment

          • #6
            DRM6000
            CGN Contributor
            • Jan 2006
            • 5848

            it may be a bushmaster upper receiver as noted in the post above mine, but i don't know.

            the barrel though, afaik isn't a bushmaster. the marking on the barrel of one should start with: B MP 5.56 (i can't remember the rest.)

            Comment

            • #7
              Biff...
              Senior Member
              • Jan 2007
              • 2070

              If its a Bushmaster upper the barrel should be stamped like this

              sigpic NRA LIFE MEMBER


              45ACP putting human garbage to rest since 1911

              Comment

              • #8
                mltrading
                Senior Member
                • Feb 2006
                • 1251

                Originally posted by black_hawk06
                most likely this is made by LMT
                Does LMT make 20" upper? AFAIK, the answer is no.
                ML TRADING
                e-mail
                +1 408 582 3156

                Comment

                • #9
                  A324
                  Senior Member
                  • Jan 2007
                  • 1041

                  Thanks for the replies, the original owner had numerous registered AR's including many AR parts and had expired (assumed room temperature) in February and I've been trying to identify and find new homes for them.

                  Comment

                  • #10
                    A324
                    Senior Member
                    • Jan 2007
                    • 1041

                    Correct, the same markings are found on my BM barrel but I also seem to recall reading somwhere that a particular barrel maker leaves only "5.56" stamped on their barrels simular to the one in my photo.


                    Originally posted by Biff...
                    If its a Bushmaster upper the barrel should be stamped like this

                    Comment

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