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Posted: 6/4/2019 12:23:11 AM EDT
Are AUGs in the US still sold with the bizarre metric threading on the barrels that it's impossible to find mounts for, or do you need to buy an aftermarket barrel to have any hope of suppressing the things?
Link Posted: 6/4/2019 5:39:39 AM EDT
They're still primarily M13x1 LH, but you can order a 1/2-28 threaded 16" barrel directly from Steyr now.
If you contact Pete Athens, he can probably sell you a complete AUG with the U.S. thread, if you'd prefer.

They also offer a special gas plug for suppressed use. It reduces bolt velocity in the suppressed setting.

I haven't had any trouble finding muzzle devices in M13x1 LH for my old M4-2000.
Link Posted: 6/4/2019 7:12:22 AM EDT
[Last Edit: 6/4/2019 7:12:47 AM EDT by ryandushku]
As stated above most AUGs up until recently have the retarted M13x1L thread. I'm currently setting mine up to be suppressed. The only company I could find that currently makes a mount in that thread is YHM. Everything else seemed to be out of production.
Link Posted: 6/4/2019 8:44:49 AM EDT
AAC 3 prong, surefire.
Link Posted: 6/4/2019 8:59:36 AM EDT
Not the greatest suppressor hosts due to the gas piston pop. I put my M4-2000 on my AUG. AR-15 is still the best suppressor host I've found. But I mean it is still quieter than an unsuppressed AUG. No issues with gas in my face. Put it on grenade setting for quiet single shot action.
Link Posted: 6/4/2019 9:11:15 AM EDT
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Originally Posted By dogrobber13:
AAC 3 prong, surefire.
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I stand corrected. I thought they were out of production but rechecking those websites it appears they still make them
Link Posted: 6/4/2019 9:17:21 AM EDT
I had my Microtech re threaded
Link Posted: 6/4/2019 9:27:39 AM EDT
Check with RatWorx to see if they have any of their AUG cans left that bleed the gas off the valve into the can. They were really neat.
Link Posted: 6/4/2019 10:41:47 AM EDT
[Last Edit: 6/4/2019 10:43:17 AM EDT by Klaustrophobia]
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Originally Posted By jagdkommando:
Check with RatWorx to see if they have any of their AUG cans left that bleed the gas off the valve into the can. They were really neat.
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I need to look into that.

A while back there was rumor that Steyr was going to release OEM suppressors for the AUG. Anyone heard anything else on that? I read somewhere that's what the threads at the base of the barrel are for.
Link Posted: 6/4/2019 10:46:23 AM EDT
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Originally Posted By Klaustrophobia:
I read somewhere that's what the threads at the base of the barrel are for.
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The threads at the base of a 16" barrel are for a bayonet lug.
Link Posted: 6/4/2019 11:55:51 AM EDT
Silencerco makes one too. I have their flash hider on mine.
Link Posted: 6/4/2019 1:46:06 PM EDT
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Originally Posted By dogrobber13:
AAC 3 prong, surefire.
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Does surefire still make it? Can’t find it in stock anywhere. Optics planet has it but says will ship in 14-28 days so not sure how true that is
Link Posted: 6/5/2019 4:33:36 PM EDT
[Last Edit: 6/5/2019 4:38:18 PM EDT by Nostromo]
There used to be a bunch of ratworx 1/2x28 adapters on gunbroker but I guess they’ve dried up. Worked fine for me and cheap. That with the suppressor plug and I’m golden. I had Pete loosen up the FH and nut on this 1:7 16” barrel before he shipped it to me

Edit: it’s still available on their site Here

Attachment Attached File
Link Posted: 6/6/2019 11:51:08 AM EDT
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Originally Posted By jagdkommando:
Check with RatWorx to see if they have any of their AUG cans left that bleed the gas off the valve into the can. They were really neat.
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That idea always seemed cool, but I haven't seen or heard of them in a while. I tried checking a few years back, they sort of just disappeared.
Link Posted: 6/6/2019 2:00:34 PM EDT
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Originally Posted By MOS68W:

That idea always seemed cool, but I haven't seen or heard of them in a while. I tried checking a few years back, they sort of just disappeared.
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Added to that, there weren't any real reviews. It's tough to spend $800 or whatever they were asking on a can that doesn't have any data behind it.
Link Posted: 6/6/2019 9:16:14 PM EDT
[Last Edit: 6/6/2019 9:17:17 PM EDT by Nate762]
I got one of these about a year ago to run my SOCOM mini on my A3M1. So far as I know Surefire still makes their mounts in batches AAC has discontinued it, if you search you can probably find one of the SOCOM mounts online somewhere. I already had the can so this is why I went that way. YHM has mounts for the AUG and makes adapters for Silencerco cans as well so you could run one of theirs. I have run both both legacy and SOCOM cans from Surefire on my AUG with the suppressor capable gas plug and they worked well. I will say it may just be worth getting a 1/2X28 barrel now that they are available though.

I'm kinda stuck running AUG specific mounts because I am spoiled by my 1/7 twist barrel... I bought an 18" barrel with the intention to cut it down and have it re-threaded but never got around to it since I found the Surefire AUG mounts and prefer the faster twist of my 1/7 barrel.

Also I have heard some say that suppressor plug doesn't cycle in the suppressed setting without the can, this is not my experience. My rifle ran well in the suppressor setting even without the can.

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Originally Posted By JKF204:

Does surefire still make it? Can’t find it in stock anywhere. Optics planet has it but says will ship in 14-28 days so not sure how true that is
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Link Posted: 6/10/2019 11:53:27 PM EDT


I've got these for all of my 5.56 caliber rifles to use with my 240SD .308 suppressor and they include one with threads for the Steyr Aug.

https://www.advanced-armament.com/BLACKOUT-51T-Flash-Hider_p_447.html


Or, you can buy this thread adapter to fit your 5.56 1/2 X 28 thread pitch.
https://www.cncwarrior.com/category-s/2096.htm


Or, you can buy the new Steyr Aug barrels that are now being threaded for 1/2 X 28 here in the US for the Steyr Aug.
https://www.steyr-arms.com/us/augbarrel-1-2x28
Link Posted: 6/11/2019 4:39:00 PM EDT
I got an AAC 51t blackout straight from AAC threaded for AUG threads. Problem is I haven’t gotten the gas plug yet so my AUG jams after 2 shots suppressed.
Link Posted: 6/11/2019 4:47:04 PM EDT
My LGS might have one of the SOCOM mounts still in stock. They ordered a couple many moons ago, I figure they could never find one and chanced across someone on the EE who had bought an extra. Then several months later they told me they had arrived.

Is a SOCOM mount what you want? I will check if it is.
Link Posted: 6/11/2019 5:14:55 PM EDT
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Originally Posted By GuynamedDave:
I got an AAC 51t blackout straight from AAC threaded for AUG threads. Problem is I haven't gotten the gas plug yet so my AUG jams after 2 shots suppressed.
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It shouldn't.
It should have extra gas.

How is it jamming?
Link Posted: 6/11/2019 5:34:47 PM EDT
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Originally Posted By KitBuilder:
It shouldn't.
It should have extra gas.

How is it jamming?
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Originally Posted By KitBuilder:
Originally Posted By GuynamedDave:
I got an AAC 51t blackout straight from AAC threaded for AUG threads. Problem is I haven't gotten the gas plug yet so my AUG jams after 2 shots suppressed.
It shouldn't.
It should have extra gas.

How is it jamming?
Yea it should be way overgassed. My Aug with factory gas plug and AAC Mini 4 and SDN6 is reliable but has terrible gas blowback. I still need to get the suppressor gas plug.
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