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Thread: AR15 V. M16 Bolt Carrier

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    AR15 V. M16 Bolt Carrier

    Ok guys, probably a very stupid question, but whats the difference between an AR15 bolt carrier and an M16 bolt carrier?

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    "You people have too much time on your hands." - scottryan

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    Left to right: AR15 carrier, AR15 carrier, M16 carrier

    FFL/SOT armorer

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    Photo from ar15barrels.com...

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    Quote Originally Posted by HES View Post
    Ok guys, probably a very stupid question, but whats the difference between an AR15 bolt carrier and an M16 bolt carrier?
    If you didn't know, the m16 bolt carrier is preferred by a lot of people because it's heavier.

    Joe Mamma
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    Glock Certified Armorer
    Beretta & Sig Sauer Certified Pistol Armorer
    Colt Certified 1911 & AR-15/M16/M4 Law Enforcement Armorer

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    Thanks for the education. ANy9one have an idea why AR bolt carriers are like that? Weight savings? Material savings?

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    A M16 carrier is for use with a NFA (National Firearms Act) registered lower receiver for a full auto weapon. Possesion of parts to make a full auto weapon without a federal tax stamp and proper papers is a felony. The law is strictly enforced. I personally would not even consider having a M16 carrier because I'm a civilian.
    That could show intent of full auto capability and cause serious legal problems, fines and time in federal prison.
    A word to the wise.

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    Quote Originally Posted by techo View Post
    A M16 carrier is for use with a NFA (National Firearms Act) registered lower receiver for a full auto weapon. Possesion of parts to make a full auto weapon without a federal tax stamp and proper papers is a felony. The law is strictly enforced. I personally would not even consider having a M16 carrier because I'm a civilian.
    That could show intent of full auto capability and cause serious legal problems, fines and time in federal prison.
    A word to the wise.
    100% false disinformation. Colt 6920s, 6520s and 6721s (all semi-auto) come with full auto carriers as do some other brands.
    FFL/SOT armorer

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    I stand corrected.
    So, it's ok to have a full auto capable upper? I thought having full auto parts was illegal if you were a civlian.

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    Quote Originally Posted by techo View Post
    A M16 carrier is for use with a NFA (National Firearms Act) registered lower receiver for a full auto weapon. Possesion of parts to make a full auto weapon without a federal tax stamp and proper papers is a felony. The law is strictly enforced. I personally would not even consider having a M16 carrier because I'm a civilian.
    That could show intent of full auto capability and cause serious legal problems, fines and time in federal prison.
    A word to the wise.
    False, it's only the lower receiver fire control parts you have to worry about. M-16 Bolt carriers are ok.

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    Quote Originally Posted by gotm4 View Post
    100% false disinformation. Colt 6920s, 6520s and 6721s (all semi-auto) come with full auto carriers as do some other brands.
    Thanks. Thats what I thought since my 6920 came with an M16 carrier.

    But performances wise, barring full Auto, is there any performance difference between them?

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    Sorry, I seem to get a lot of wrong info from the dealers here.
    I'll just ask if what I was told is correct from now on.

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    I know you guys are the experts and I'm not doubting you are right, but it is confusing.
    I think it's pretty hard to interpret the law concerning the possesion of gun parts that are primarly used for machine guns.

    This is from the NFA laws concerning the issue:

    In general, even the components that make up an NFA item are considered regulated. For example, each baffle inside a silencer, if removed from the tube, is considered a silencer in and of itself. Thus, individuals cannot own any part of a silencer without registering it with the BATFE and paying NFA taxes. Likewise, owning the parts needed to assemble other NFA weapons is generally prohibited. A person cannot own machine gun trigger components unless he owns a registered machine gun. Owning both a short barrel and a legal-length rifle could be construed as intent to build an illegal unregistered SBR

    The question is, if your in court, what's your explanation for having a full auto upper? Could this be construed as intent to build a machine gun?
    I have heard of people getting charged and prosecuted for weapons malfunctions that cause more than one round being fired.
    I think it was on CNN about a vet who was convicted. So, as HES asked what is the reason to have a M16 carrier in your semi-auto AR?

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    Using your logic:

    Owning matches could mean that you're intending to be an arsonist. Are you planning on burning something down?

    Your car probably has enough power for you to drive faster than the posted speed limits. Are you intending to speeding?

    Since birth chances are that you have the same equipment as a prostitute. Are you intending to become a prostitute?



    FFL/SOT armorer

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