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Silence is Golden?

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Aussie Arms

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Discussion Starter · #1 ·
I have been messing with the idea of "limiting the noise output from my SBR XCR" and have narrowed it down to a short list of:

AAC's M4-1000
AAC's M4-2000
SWR's Wolverine
Gemtec's G5

At the moment I'm leaning towards the AAC M4-1000.

I haven't had any great experience in silencing a rifle of this type (.223), so if any one can bring their experience to the table, it would be appreciated. Also,

I'm guessing a SBR would be alot harder to suppress than a full barrel rifle?
 
N

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#2 ·
I wouldn't say its a lot harder based on barrel length alone, but I think on an SBR you are going to want to go with the M4-2000. The suppressor will be subjected to greater punishment on an SBR, and you are going to want the fully built model. The M4-2000 will be what I get when I get around to finally getting a suppressor, and I plan to change it between my 10.5" AR, and the XCR, which will probably be SBRed by that time as well.

Generally it is harder to suppress a piston gun than a direct gas AR, at least in terms of AKs vs ARs... suppressed AKs are in general much louder.

The one XCR I did shoot was fairly quiet though:


I assume based on that, that the XCR gas system is better sealed than an AK's.
 
magikbullet

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#3 ·
I'd be happy with either of the aac cans, don't know much about the swr, and I'd stay away from the g5... There was a big stink about the g5 a while back because it isn't fully welded as gemtech claimed it to be, and used poor construction in its blast baffle. The tests were done by aac, so you can take it with a grain of salt, but I personally am uninterested in the can when there are better options available...

and ny32182 how would you say the xcr compared to the ar's?

in sound level? gas blowback?
 
N

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#4 ·
Keep in mind that I have very little experience (probably <200 rounds) actually shooting suppressed guns including rifles and pistols. Also I know very little about how cans from different manufacturers compare to each other.

What I have done is go to some suppressor only shoots, briefly fired a few guns that were there, and watched many thousands of rounds go through hundreds of different suppressed firearms.

So, that is what my opinions are based on.

XCR compared to ARs? Well, my first impression shooting the XCR offhand was that it was extremely heavy. As you can see though, that rifle has the heavy barrel, bipod mounted, can mounted, so it isn't really a good example as far as that goes. As far as the noise, I'd say it was a little louder than the ARs, but that was only my immediate impression. I don't know what suppressor was on the XCR, nor have any numbers to back that up. I think overall, getting a piston gun to be as quiet as an AR, all other factors being equal, is going to be very difficult to impossible. A functional piston system is just never going to seal as well as the DI system: the operation of DI depends on it. The downside to suppressed ARs is that you are increasing the backpressure in the gas system with no way to turn it down, so it is going to get dirty faster than shooting unsuppressed, and the cycling is going to be happening a little faster than it needs to.

As far as gas blowback, I've shot several suppressed ARs and never noticed a problem, so I can't really compare. No problem with the XCR either.
 
S

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#7 ·
I bought the XCR because of the ajustable gas system, i have a SCAR SD can from AAC that will clear in a few days, i have shot quite a few cans on Ars and the Sig 556, the Sig acted like it was beating itself badly with the can on it, Ars are OK but make a terrible mess after a few mags, i think the AAC cans are about as tough as they get, SBRs are hard on cans and i would want one thats fully welded, quick detach, with no 2 piece mounting systems because i will lose 1 of them. I think the Gemtech HALO is fine but i like the QD flashiders as they are very fast to attach. Buy once, cry once.
 
1redgmc

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#9 ·
SDR said:
...i have a SCAR SD can from AAC that will clear in a few days...
Click to expand...
I am sorry if this deviates from your thread, and will move to another if you wish...

Did you find a dealer with the SCAR SD in stock or did you order it and get prompt delivery? We're having trouble getting AAC to deliver my M4-2000 (on order since I think November) and they told Aussie that no SCAR's or SPR-/M4's were available at this time (I think unless of course you want to order in quantities of 10 or more!)

Aussie has been diligent with calling AAC for a status - but dang, how long should it take? They told him the last batch of M4-2000's didn't meet quality control standards, and that mine was amongst those. OK... After having problems with the Walther and Mosquito adapters for my AAC Pilot (bullets tumbling after presumed strikes in the can) - I am beginning to wonder if I got a bad Pilot as well.

I can't believe it is the can, because it shoots perfectly fine on Roy's Mosquito - and crappy on mine. Then we changed his adapter to mine - and mine shoots great. Next, we put a brand new AAC adpater on my Walther P22 and it starts to bullet tumble again. We tried a second AAC P22 adapter (also brand new) and had the same results. We put the can back on my Mosquito - no tumble. I say WTF? ???

All using the same Remington Subsonic ammo...

Roy is going to return all the "problem" adapters and we'll see what happens with the next batch.

Thanks
 
S

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#10 ·
I bought a Millitary contract overun SCAR SD, they were marked M4 2000 but were SCAR cans, there were quite a few out there and could be had for under 600.00 bought it off of gunbroker, havent tried it yet as ATF lost my fingerprint cards, took a month off for christmas, ect.
Should be cleared shortly, the M42000 is a bit quieter but the SD is shorter, and cheaper when you find the right deal
 
1redgmc

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#11 ·
SDR said:
...havent tried it yet as ATF lost my fingerprint cards, took a month off for christmas, ect.
Should be cleared shortly...
Click to expand...
Setup a TRUST and forget the fingerprint cards / passport photo!

Just submitted mine, and I'll report (via Aussie) how long it takes from form submission, to check cashing, to can in hand.
 
S

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#14 ·
1redgmc said:
SDR said:
...havent tried it yet as ATF lost my fingerprint cards, took a month off for christmas, ect.
Should be cleared shortly...
Click to expand...
Setup a TRUST and forget the fingerprint cards / passport photo!

Just submitted mine, and I'll report (via Aussie) how long it takes from form submission, to check cashing, to can in hand.


I will wait to hear, will go that route on the XCR SBR
Click to expand...
 
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sobriant74
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