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Thread: Colt MT6400C vs. Colt 6920

  1. #51
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    One correction, I did remember an extended bayonet made just for 16" barrels. Bottom bayonet:

  2. #52
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    ..or you can get a middy with 16'' barrel
    *** Damn Proud to Be an American Ally ! ***

    The Armory:
    Colt 6601 - Colt 6731 - Colt 613 - Steyr StG.58 - M1 Carbine - Galil SAR - CZ Scorpion EVO - Franchi PA8 - Glock 17 - Pietta/Colt SAA 1873 - SA 1911A1 Mil Spec - Ruger LCP

  3. #53
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    Frens! Ciao amico mio, cosa stai insinuando?
    Midlength+Extrema Ratio

  4. #54
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    ciao Kisara!
    AR + Extrema Ratio...mmm....nice combo!
    *** Damn Proud to Be an American Ally ! ***

    The Armory:
    Colt 6601 - Colt 6731 - Colt 613 - Steyr StG.58 - M1 Carbine - Galil SAR - CZ Scorpion EVO - Franchi PA8 - Glock 17 - Pietta/Colt SAA 1873 - SA 1911A1 Mil Spec - Ruger LCP

  5. #55
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    Perfect example: 6400 lower sold at $400 in less than half an hour.
    http://www.bubblegumforum.com/forums/topic.html?b=7&f=21&t=425843

  6. #56
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    Quote Originally Posted by harleytech View Post
    Maybe a Collectable in the future, Since it's not made anymore...

    Found this old thread in a search (on google). Can someone confirm this, are they no longer made?

    I have one (need one here in N.J.) and haven't been able to find another anywhere. I could get another 6920 and modify it I suppose, but just curious.

    Also, anyone know if the 6400 has the M4 ramps?
    "Facit Omina Voluntas = The Will Decides" - Army Chief


  7. #57
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    With regards to the MT6400C specs.

    I bought one about 6 months ago. I don't know how old it was, it was NIB but sitting in the basement of the gun store for god knows how long. Anyway, the lower was marked Colt Mfg Co. not Colt Defense. The bolt carrier is M16, it has M4 feedramps, barrel is c mp 1/7 5.56, H buffer, etc etc. It is a clone of a LE6920 except the muzzle brake, fixed stock, and bayo lug.... and cooler roll marks. As above, it comes with a 9 round mag since it is a ban compliant gun. I bought it because i live in New York. If you can find one you should buy it.

    Zanshin

  8. #58
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    Question

    Quote Originally Posted by Greenbean View Post
    Sorry to use the paddles and bring an old thread back to life but I thought it was better than adding a new one since my question is in this one.


    The only 6920 listed in Colts site right now is a LE6920,
    Since I would only be able to get a MT6400C, am I better off getting a Bushmaster M4A3 since I can pay the tax of 200 and get the 14.5 inch model or get the 16.1, And the BM has the fully lined chrome barel and chamber.

    Also what about the 6920 being stated as to be chambered in 5.56, and the 6400 in .223...

    BTW, it would only be a home defense weapon and will shot at the ole cabin maybe 2-3 times a month. But I was ADD advanced in high-school so I can and would prefer to just spend a little more and get the best.
    Would honestly like to have the closet rendition of an M4.

    Thanks Guys,
    Zachery
    The MT 6400 C is roll marked "223" on the lower. The 6920 (and all the Colt carbines roll marked "Law Enforcement" are stamped "5,56". Does any one know if the 223 and 5,56 chamber are really different and what's the difference?

  9. #59
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    Quote Originally Posted by cqbdriver View Post
    I got a MT6400c during the ban days. When the ban died, I replaced the fixed stock with a Vltor & I sent the upper to ADCO to have barrel threaded so I could add a Flash Suppressor & get rid of that muzzle brake. I have a Bushmaster & never had any problems with it, but the Colt is my favorite. My MT6400C has a chrome-lined chamber & bore and it has 5.56mm chamber, not .223, 1/7 twist

    Why can't you get a LE6920? My friend got one couple weeks ago. I would get a LE6920 if I had the choice.
    Now all the MT are roll marked "223",and all the LE "5,56". I know that the 5,56 and 223 rounds are different (the first is more heavy), but the cambers 223 and 5,56 are really different? And what's the difference?

  10. #60
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    Quote Originally Posted by mister no View Post
    Now all the MT are roll marked "223",and all the LE "5,56". I know that the 5,56 and 223 rounds are different (the first is more heavy), but the cambers 223 and 5,56 are really different? And what's the difference?
    Come on, guys. There is a sticky at the top of the "Technical Discussion" page.

    https://www.m4carbine.net/showthread.php?t=55149
    Last edited by fdxpilot; 10-31-10 at 23:46.
    Colt SP6920, LE6920, 6720
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