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  1. #11
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    Quote Originally Posted by RobertGuy View Post
    For us non-full auto civilians, why is the Angstadt Arms SCW-9 more interesting than their UDP-9?
    And there's also their UDP-9iP integrally suppressed pistol that's quite interesting too.
    Its more the stock, or rather the brace they are developing, that is interesting.
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  2. #12
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    Straight off the top of my head it looks like pretty much any Glock magazine 9mm AR lower with a short (4") barrel. The big difference is what looks like a really short buffer tube and a PDW (Honey Badger) type stock.

    The current PDW style stocks and braces are designed around 556/300 Blk Out rounds with the need for a larger(longer) buffer. Typically 9mm ARs are blowback using a heavy buffer and spring. My guess is they have found a way to build a system that works with a shorter buffer tube by using an even heavier buffer and heavier spring???

    I like it (of course I do, its a SMG!). Im not sure how much I think the a 4 inch barrel is a good idea; but it does keep a short OAL. I don't know how revolutionary the design is, other than being AR based, it seems very HK MP5PDW-esque. I based my AR9K off the same concept a few years ago (before the Honey Badger braces were available). Back then I used a 5" barrel (3 lugged) with a Law Tactical folding unit and a Gear Head Works Tailhook brace. The folder makes it short (but fat when folded) and of course makes it a one shot affair if fired with the fired with the brace folded.

    The MagPul sights are nice but Id run a RMR or something similar.

  3. #13
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    Quote Originally Posted by RobertGuy View Post
    For us non-full auto civilians, why is the Angstadt Arms SCW-9 more interesting than their UDP-9?.
    It’s all about the buffer tube (receiver extension). That design feature prevents the AR from being useable while the stock is folded. Shortening that part is both significant and difficult.

    I’ve got a CMMG dedicated 22LR upper that incorporates the entire bolt movement within the upper receiver. It makes me wonder if that system could be adapted to 9mm. When all bolt movement is in the upper, you could do away with the buffer tube and just attach a stock/brace. It would also generate the need for a new folding stock (sans buffer tube) for the AR (which could be used immediately on the CMMG .22 rifles).


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  4. #14
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    Quote Originally Posted by LawDog View Post
    It’s all about the buffer tube (receiver extension). That design feature prevents the AR from being useable while the stock is folded. Shortening that part is both significant and difficult.
    Exactly

  5. #15
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    Jul 2012
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    This is a cool little gun. It will be interesting to see what the braced version looks like. I'm sure that once the civilian version comes out all the small details (barrel length, threaded vs integral, so on) will be up to the paying customer.

    I'm glad they went Glock mag first, but if the Army wants a few thousand of them with the 320 mag set up I'm sure it's possible.

  6. #16
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    Quote Originally Posted by EDELWEISS View Post

    The MagPul sights are nice but Id run a RMR or something similar.
    Yup. RMR with SI designed BUIS. MP sights are nice, but smaller co-witnessed pistol versions might be a “better” choice?
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  7. #17
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    Nov 2009
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    Quote Originally Posted by LawDog View Post
    It’s all about the buffer tube (receiver extension). That design feature prevents the AR from being useable while the stock is folded. Shortening that part is both significant and difficult.
    It's not really that hard to shorten the buffer tube IF you strictly stick with a pistol cartridge. The AR was designed around a rifle length cartridge and has a lot of bulk that is simply not needed. Look at any short slide 9mm pistol (Glock 26 for example). How much reciprocating length do you really need?
    My uneducated guess is that while it looks somewhat like an AR platform. (the modular design concept is a good one) It shares no common internal parts.

  8. #18
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    Quote Originally Posted by LawDog View Post
    Sold. I just need one with a brace rather than a stock.
    Have you seen the Sig copperhead? Too bad it doesn’t use glock mags.

    https://www.sigsauer.com/press-relea...px-copperhead/

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  9. #19
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    Quote Originally Posted by LawDog View Post
    Hopefully we have educated the tribe here well enough to know that 'Mil-Spec' does not equate to 'superior,' or to believe that the government only buys the best.
    It usually means what the low bidder can get away with. I remember an interview with an Astronaut asking what went through his mind at the precise moment of liftoff when there was no stopping the action. He said something to the effect that every nut, bolt and screw on that tin can came from the low-bidder on a gubmint contract.

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  10. #20
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    Quote Originally Posted by jesmith View Post
    It's not really that hard to shorten the buffer tube IF you strictly stick with a pistol cartridge. The AR was designed around a rifle length cartridge and has a lot of bulk that is simply not needed. Look at any short slide 9mm pistol (Glock 26 for example). How much reciprocating length do you really need?
    My uneducated guess is that while it looks somewhat like an AR platform. (the modular design concept is a good one) It shares no common internal parts.
    It would be really nifty if they could contain the bolt movement entirely in the upper receiver. That would allow for a side-folding stock and could be fired in either position. CMMG’s rimfire kits do this. It might be possible with 9mm.


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