NFA SBS hack?


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Sambo82
July 7, 2013, 09:23 AM
Atlantic Firearms is selling a "Sig Pistol" with what appears blatantly to be a stock, albeit a short one.

http://www.atlanticfirearms.com/component/virtuemart/shipping-rifles/sig-sauer-p556-classic-pistol-with-sb15-pistol-stabilizing-brace-detail.html?Itemid=0

How is this possible? They claim that it fits all pistols with a 1" diameter buffer tube, but I wasn't even aware that Sig rifles used a buffer tube. It's a neat work around if it's legit, but it's hard for me to imagine that the ATF won't clamp down on this. Thoughts?

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HexHead
July 7, 2013, 09:29 AM
Appears to be the length of the buffer tube and adds weight for better balance. You have to have a pretty strange build to use that as a shoulder stock.

Keep in mind, according to the ATF, a shoestring can be a machine gun, but a bump fire stock isn't.

dogmush
July 7, 2013, 09:39 AM
That "brace" is designed to strap to your forearm and aid in recoil control. So the weapon is still designed to be fired with one hand. Hence pistol.

Like so:
http://www.thetruthaboutguns.com/2012/11/robert-farago/sb15-ar-15-pistol-forearm-stabilizing-brace/

Sambo82
July 7, 2013, 10:14 AM
That "brace" is designed to strap to your forearm and aid in recoil control. So the weapon is still designed to be fired with one hand.


Ah yeah I can see that in the pics now that I know to look for it. Pretty inventive. I didn't know sigs used a buffertube system for bolt return.

pdsmith505
July 7, 2013, 11:15 AM
They don't. But just like AK's, you can buy adapters so you can fit your favorite AR stocks.

armoredman
July 7, 2013, 02:27 PM
That's fascinating - wonder how well it works?

dprice3844444
July 7, 2013, 03:22 PM
neat way around the problem

TRX
July 7, 2013, 06:15 PM
I made something like that out of the (useless) collapsible stock that came with my MAC-11. Really helped with muzzle climb in rock-n-roll mode...

FIVETWOSEVEN
July 7, 2013, 07:48 PM
I think you could scrunch up to the "brace" and use it properly.

zoom6zoom
July 7, 2013, 09:20 PM
It was submitted to ATF for approval and passed, since it's not designed to be fired from the shoulder. The material is a semi flexible foam, similar to that used in neck braces and such.... not really firm enough to work as a stock when braced against the shoulder.

Not a product I would find useful at all, but ATF felt it passed the standards.

c4v3man
July 9, 2013, 09:25 PM
Article about the brace here.
http://www.thetruthaboutguns.com/2013/06/rabbi/gear-review-sig-sb15-pistol-stabilizing-brace/

Shouldering the pistol brace would be a misuse of the brace. By that, I mean it would be used in a manner not consistent with its intended purpose. Using a device in a manner thatís different from its intended purpose does not necessarily make its use, or the device itself, illegal.

The ATF approved the use of the product as a brace for shooting a pistol one-handed. Using it differently than intended does not change the classification of the device or the firearm. Case closed.

I think it's a cute workaround inherently stupid SBR laws, much like Sig's similarly droolworthy MPX-C with integrated suppressor (- shroud) that can be converted into an integral suppressor for about $200+$200 tax stamp...
http://www.sigsauer.com/CatalogProductDetails/sig-mpx-c.aspx

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