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Discussion Starter #1 (Edited)
OVER THE BEACH TEST

Inspired by:

http://www.youtube.com/watch?v=AGwkHktkTxU

http://www.youtube.com/watch?v=7rWvCc77wvk&feature=related

http://www.youtube.com/watch?v=ON3XLedD4_w

I know it has been done before, but I was on my first range trip with my new ACR a few weeks ago and decided to put the ACR to the test. I am one of those guys that needs to see it for myself. After firing several hundred rounds of all the nastiest ammo of all different sorts through it without a malfunction (Wolf, Silver Bear, Brown Bear, Hornady, Federal, Remington, WWB, as well as some shitty reloads my buddy bought on Gunbroker, etc.) I decided to try the "Over The Beach Test". Well, "Over The Cow Pond Test" at least. My friends thought I was crazy because the rifle is new.

I dropped the ACR in the mud, cow shit, and stagnant water for a few minutes. Then lifted it out and immediately fired an entire Pmag full of a mixture of ammo types into the bank of the pond. This rifle drinks pond water and spits out mud with no function problems at all. Very impressive to see. The ACR earned my respect that day.​

After hiking back to camp my friend was looking over the ACR and noticed that the factory installed AAC Blackout Flash Suppressor forks had bent outward a few degrees. He was a little mad because I was going to give that part to him for his rifle and now it is ruined. I told him it is "one of a kind" now and enhanced, but he didn't buy it.​

A few deep cleanings and a Battlecomp later it is good as new.​


Bottom Line: ACR is amazing. Colt 6920 retired...​

AAC Blackout failed. I'm not a fan.​


WARNING: Blurry cell phone pics. (Give me a break. It was dark outside.)​
 

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If it did that to the muzzle device did anything happen to the barrel?
 

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Discussion Starter #3
Barrel is good to go as far as I can tell. I used a micrometer to check for bulging and all is well. Just a weak muzzle device.
 

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How could something like that happen? I understand the high pressure gas exerts force but that must have took a LOT of force. How hot did that sucker get?
Is it possible it got clumped up with mud? If so you are lucky it wasn't worse.
 

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Discussion Starter #5
How could something like that happen? I understand the high pressure gas exerts force but that must have took a LOT of force. How hot did that sucker get?
Is it possible it got clumped up with mud? If so you are lucky it wasn't worse.
I was all happy with the results until my friend pointed out the AAC, "Pucker Factor" kicked in and my shit talking ceased.

As far as heat, it just sprayed water and steam everywhere. Lots of steam. No more heat than usual I guess. Mud is a possibility. Barrel and bolt are fine.
 

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I'm glad you and your rifle made it through relatively unscathed. I would check and see if your barrel held its zero. Worse comes to worse you could always get another barrel.
 

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Discussion Starter #7
Yeah, I have a new Micro T-1 to sight in anyway. So it is definitely a priority to check that. I have measured and visually inspected the barrel as well as I can and it looks new. I wish there were barrel kits available so we could start getting the "Adaptive" functionality we all paid for.
 

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Discussion Starter #9
They probably would, but it is my fault for throwing my rifle in a pond. Strange that I haven't heard of this happening to anyone else.
 

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Actually I had the same issue happen while shooting my FAL during a thunderstorm back a few decades ago, (alot of years ago when I didn't have as many wisdom marks as I do now :) ) It was the long m14 looking flash hider, and water must have gotten caught in the hider, yes it was out from under the overhang. Pull the trigger and the sound and look didn't feel right. Looked and the flash hider was slightly bowed out in the middle. (FNH did replace it with a short flash hider) Water is some nasty stuff. If you try to compress it faster then it can evacuate, something has got to give.

Beside you know Murphy's law, if it can happen, it will happen!!
 

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Freddy,
I work at AAC and first let me say contact Mike Mers (mers(at)advanced-armament.com, with a link to this thread and he will get you taken care of.

Second, I've NEVER seen this happen. Not during any test. Not during semi auto, not during full auto, suppressed or unsuppressed. As a matter of fact, the open-end is designed because it resists any mushrooming better than any closed-end unit. We've not heard any reports of this happening during any military test- the Army just ordered 10,000 BLACKOUTs after extensive tests of available designs.

This kind of thing is perfectly normal for the BLACKOUT: http://www.youtube.com/watch?v=7rWvCc77wvk

-Jason
 

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Freddy,
I work at AAC and first let me say contact Mike Mers (mers(at)advanced-armament.com, with a link to this thread and he will get you taken care of.

Second, I've NEVER seen this happen. Not during any test. Not during semi auto, not during full auto, suppressed or unsuppressed. As a matter of fact, the open-end is designed because it resists any mushrooming better than any closed-end unit. We've not heard any reports of this happening during any military test- the Army just ordered 10,000 BLACKOUTs after extensive tests of available designs.

This kind of thing is perfectly normal for the BLACKOUT: http://www.youtube.com/watch?v=7rWvCc77wvk

-Jason
I'm glad there's an AAC rep here.
 

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Jason, Glad to see you here. Can you push Mr Silver into getting those 16inch 300aac barrel assemblies released. :) :)
 

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Jason, Glad to see you here. Can you push Mr Silver into getting those 16inch 300aac barrel assemblies released. :) :)
For the ACR?

Rob has been really working hard on all this stuff, i will say his main priirity right now is getting ammo out there in quantity and variety.
 

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For the ACR?

Rob has been really working hard on all this stuff, i will say his main priirity right now is getting ammo out there in quantity and variety.
Opps, I knew I forgot something, yeah, the ACR. :)

I can only imagine how hard it is to get something new off the table and out in the real world. And I would have to agree, ya gotta have ammo to shoot.
 

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Discussion Starter #18
Update

I just wanted to update you guys and spread the word on the great customer service I received from Advanced Armament. I sent an email to Mike and within a day he shipped out a replacement for my AAC Blackout flash suppressor.
 

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I just wanted to update you guys and spread the word on the great customer service I received from Advanced Armament. I sent an email to Mike and within a day he shipped out a replacement for my AAC Blackout flash suppressor.
Great to hear Freddy, thanks!
 
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