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Thread: Heckler & Koch MR223 11" Upper

  1. #11
    CGN Ultra frequent flyer Rebel Rouser's Avatar
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    Quote Originally Posted by Tiker View Post
    so 416 upper can run MR223 BCG, but MR223 upper cant run 416 BCG, right?
    Yes. Unless you cut off the tab.

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  2. #12
    CGN Ultra frequent flyer r34skyline's Avatar
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    Quote Originally Posted by Rebel Rouser View Post
    Yes. Unless you cut off the tab.
    Technical question. Whats stopping the mr223 from going full auto if you put the top on an auto lower? Because i dont see any other differences than the tabbed extension and slotted carrier.

  3. #13
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    Quote Originally Posted by r34skyline View Post
    Technical question. Whats stopping the mr223 from going full auto if you put the top on an auto lower? Because i dont see any other differences than the tabbed extension and slotted carrier.
    I'm guessing the MR bolt carrier is cut back so it won't trip the sear, like all of the semi auto AR bolt carriers that are made. The auto lower is the prohibited part because it keeps humanity safe from the "evil cabal of sentient firearms with bad intent".
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  4. #14
    CGN Ultra frequent flyer mildot's Avatar
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    Quote Originally Posted by r34skyline View Post
    Technical question. Whats stopping the mr223 from going full auto if you put the top on an auto lower? Because i dont see any other differences than the tabbed extension and slotted carrier.
    The MR upper doesn't have the "cut out" for the auto sear IIRC.
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  5. #15
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    MR are like the Colt Sporter models. Neutered AR's. This upper is for someone that already has a MR rifle. A BCG is going to run you $800US.

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  6. #16
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    This explains it all.

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  7. #17
    Industry Member North_Sylva's Avatar
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    Updated stocking dealers list.

  8. #18
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    ^Because a shipment is coming in?

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