>>65050132
Looks cool, but i still prefer to AR7 solely for the thread on barrel: wish there was a .25 or .32 or even .380 version

>>65050132
Oh boy, another thread about this thing.

Taking your question at face value, sure. It's a short barreled take-down AR. Either full auto or one of the civilian semi auto clones with an arm brace (wouldn't really be a huge performance difference between the two).

The folding/takedown elements of the design are specifically geared for being in a bag underneath an ejection seat. That means you can store the gun in a relatively compact/unobtrusive and non-obvious container which is certainly useful but it isn't particularly quick to deploy since you have to take a second to assemble it. A different design where the stock folds instead of the barrel or perhaps a bullpup could also be compact, but would have no loose parts that could get lost or be carried under a jacket ready to shoot.

In the best case scenario, the GAU-5 is still significantly bigger and harder to conceal than a pistol, which would be absolutely essential for trying to move through held/contested ground as a non combatant. Walking around with any rifle or visible weapons through territory held by armed militia or military forces instantly turns you into a bullet magnet. A rifle disassembled in a case is of little value unless you have opportunity to assemble it before using, which seems to be of dubious value. A rifle concealed under a jacket is not immediately obvious from a long distance, but would probably get you detained or shot on close inspection. If you are helping people hold territory (IE you are in the militia) then sacrificing performance for concealment is unnecessary.

For innawoods concealment is also not as important and 5.56mm/223 is a useful caliber for hunting, plus it's still a self loading rifle with generous magazine capacity so it's better for protection than a bolt action. But in this category weight is more important than concealment.

Overall, seems like it's neither fish nor fowl. Not useless, but sub optimal.

>>65050216
Aren't all ARs takedown

>>65050232
Yes, in that you can take the upper off the lower, but having a quick detach/attach barrel is a different story.

You could conceivably separate the upper/lower on an AR pistol for slightly more compact storage but it wouldn't be as compact overall as a GAU-5. I reckon something like a 7" BRN-180 with a folded stock could do it because it doesn't need a buffer tube but then they'd be adopting an entirely different weapon system that shares fewer parts with an M4/M16 than they would like.

>>65050247
Running 5.56 from a 7" bbl seems like a bad idea

>>65050257
Performance is going to suck but if you need ammunition compatibility with your existing inventory you are going to have to deal with it.

If that's not a factor, then 300 BLK plays nice with short barrels. That's the route I took with my AR pistol. I can theoretically CC it as well.