9mm AR

Do whatever you want fool

They are fun and relatively inexpensive range toys

>>34960015
It would be my bus gun, actually.

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Colt mag AR9s are sexy. Mine has had a few feed issues, so I wouldn't trust it with my life, but it's fun to shoot.

I think you would be much better served by just doing like a 10.5 AR pistol in 5.56.

Your gonna have excellent reliability, larger round, and similar size package.

i went through this in my head for months before building my 5.56 (pistol)

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>>34959947

AR9's are great. I prefer Glock mags though because they are literally the worlds best magazines and function WAY better than the Colt mags, but you can do what you want. I also EDC a G17 so having mag/round interchangeability is a big plus.

>>34959947
There fun as shit, especially with a suppressor

>>34960138
> whynotboth.jpg
As long as you use a mag block, there's nothing stopping you from swapping uppers.

>>34959947
Is the company Model 1 Sales good? I was considering buying the 9mm upper there and getting a standard AR 5.56 pistol. Just get a mag block later.
If Model 1 is shit, what about Rock River Arms? How hard is it to barrel the upper reciever, RRA has A2 9mm uppers w/o barrels.

If you want something slightly different then look into .22WMR

>>34960757
>How hard is it to barrel the upper reciever
Not hard at all. Just put the barrel in and tighten down the barrel nut. Since its a blow back you dont even need to worry about fitting a gas tube. There are over 9000 videos on you tube showing how to install an ar barrel.

Dont forget to get a heavy buffer for the 9mm tho. And for what its worth, I've had better luck with the plastic magpul block over the metal ones.

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>>34960757

You can use any stripped upper for a 9mm build. Choose one without a FA if possible because it doesn't do anything with the blowback bolt.

I used a NDS 604 upper for this build

>>34961063
Where can I find a 9mm AR barrel with a fixed front sight?

>>34962187
PSA has some (out of stock ATM) or just install one your self.

>>34960047
>Mine has had a few feed issues
Such is life of an arfag

>>34959947
Im considering doing the same, hate the way the glockmags look. As somebody suggested I'm planning on getting a drop in mag insert so I all I have to do is switch bolts and upper. Along with a CMMG 22 conversion bolt and mag, you would have the ability to shoot the 3 most common rounds found in the US in a SHTF situation, all fitting comfortably in a rangebag

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I want to build a 9mm uooer for this... and i will... someday soon.

are there any cheap magblocks?

>>34962500
Glock pattern AR9 from PSA, 500 rounds of steel cased so far with not a single issue.

>>34960047
>>34962500
More like olt™ Quality

>>34962726
Glock lowers feed better than Colt lowers

>>34961063
what fucking upper is that. I need it and a matching lower

>>34961063
>>34963638
>nds 604

I'm autistic. any other A1 uppers?

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>>34963650

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>>34963695
fixed carry handle and fsb are perfect

Can that CNC AR45 lower take Sten mags and 9mm uppers?

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>>34963695
>>34961063

Yes