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Thread: Colt MT6400C vs. Colt 6920

  1. #11
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    I bought a 6400C back during the stupid AW ban and that thing still runs like a Singer sewing machine!! It is truly a fine "almost-true Colt" M4 for those that think Colt is G-D. Mine came with that ridiculous muzzle brake too. In my opinion, that is the number one reason not to get one now that you have the choice between it and a 6920.

    That said, I had the brake removed, a phantom put in its place and added a Magpul CTR and I will never get rid of that rifle. If I could have a bought a 6920 for just a couple $100 more back then I would've though.

  2. #12
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    Does the 6400 come 1/9 barrel and the 6920 come with a 1/7?
    "A man's country is not a certain area of land, of mountains, rivers, and woods, but it is a principle; and patriotism is loyalty to that principle."
    --George William Curtis

  3. #13
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    Quote Originally Posted by docsprague
    Does the 6400 come 1/9 barrel and the 6920 come with a 1/7?
    Both are 1/7".

    MT6400C

    LE6920
    Aubrey<><

  4. #14
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    Quote Originally Posted by docsprague
    Does the 6400 come 1/9 barrel and the 6920 come with a 1/7?
    Nope. My 6400MT has a 1:7" twist.

  5. #15
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    Thumbs up

    I have a 6400c and I replaced the buttstock with an OEM Colt M4 4-Position Buttstock, Replaced the Barrel with a Colt LE6921 14.5" w/ Pinned Elongated A2 FH, Replaced the Trigger Springs with JP springs and It never Hiccups ! Not once. The "M4 Carbine" Roll Marks are cool too...Damn Fine M4 !

  6. #16
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    Quote Originally Posted by DrewH
    I have owned both models. My understanding is the last batch of MT6400s came with a M16 bolt carrier. The switchover was Colt wide, older 6920s didn't have the M16 carriers, IIRC. I didn't think Colt made the Match Target series any more, are they still producing 6400s?

    The difference is the rollmarks, pinned muzzle brake versus threaded on flashhider, fixed faux collapsible stock versus real collapsible, bayonet lug missing on the 6400.

    I'd get the 6920 unless you are legally bound to get 6400, or it costs enough less that de-bannifying it would be less than getting a 6920. They do have "M4 Carbine" rollmarks, which are kind of cool, but I didn't like the "Match Target".
    A big plus one to that. The last I heard, the MT line was killed off in early 2005.
    The luxury of freedom was not free.

  7. #17
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    Looks like this has worked itself out since the MT line has been discontinued.

  8. #18
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    Talking

    Maybe a Collectable in the future, Since it's not made anymore...

  9. #19
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    Quote Originally Posted by harleytech
    Maybe a Collectable in the future, Since it's not made anymore...
    Let's hope. Good point - could removing the crappy brake diminish the value of the rifle since it's not in its original configuration. . . . not that it's being sold in my lifetime but it'd be nice to know.

    -Boris

  10. #20
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    Wink

    Since I swapped Barrels , And Buttstock , I still Have the Stock Parts. But I would never sell it anyway...

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