View Full Version : AAC M4-1000 Experience
I've been looking into a suppressor purchase and the AAC M4-1000 has attracted my interest. It appears to combine the right features/price point for me. I was wondering if anyone had first hand experience with the M4-1000 they could share?
I plan to use it with a 10.5" LMT upper. It may see some use in local two/three gun competitions and the occasional carbine class. No full auto use anticipated.
Appreciate any insight or recommendations.
I have 2 of them. An 07 and an 08 version. Awesome silencer for the price.. even though the price is up quite a bit.
Thanks Mark. Has the mount worked solidly for you? What kind of uppers are you running the M4-1000 on?
Tennvol12345
09-02-09, 09:14
I have one mounted on a LMT 10.5. No issues to report but good luck finding a mount these days. Luckily I bought mine before AAC decided to not include mounts with the can.
The M4-1000 is a great suppressor. I have the older M4-2000, on which the M4-1000 is based, and it like it a lot.
The 5.56 AR is not the best weapon to suppress but it does an pretty good job.
If you don't have the 10.5" upper already, I would suggest 11.5" or 12.5" for longevity of the can.
During a training session, over just a few minutes of heavy sustained SEMI-AUTO fire, this is what can happen to the finish on a 10.5" gun:
http://i235.photobucket.com/albums/ee192/SHIVAN308/Stuff/SHIVAN-VickersClass.jpg
That is not a camera trick, or a shadow, that is an M4-2000 with an "alpine stripe" of white where the finish used to be.
I painted it afterwords with high temp header paint, and here's how it fixed up:
http://i235.photobucket.com/albums/ee192/SHIVAN308/Stuff/SSDC-SHIVANShortDotCarbine-1.jpg
Not a big deal in the grand scheme, but if the outside did that, imagine what I put the inside through?
Tennvol12345
09-02-09, 09:23
oh yeah, and never leave anything nylon around your can when it's hot. I recently added a oven mitt to my range bag to save the skin on my hand.
chrismartin
09-02-09, 10:15
It's a great silencer for the money.
I wasn't looking to spend $1000 on a 5.56 silencer. The M4-1000 fit my needs perfectly.
http://web.mac.com/chrismartin/Gun_Stuff/AAC_M4-1000_files/Media/IMG_0911/web.jpg
I use a welding glove to remove if it's hot.
Many thanks for the informative responses. My confidence that the M4-1000 is the right choice for me has increased.
Thanks Mark. Has the mount worked solidly for you? What kind of uppers are you running the M4-1000 on?
Mount has been great. I run mine almost exclusively on a 14.5 and every so often on a 20" hbar for fun.
I'm not big on this SBR/Can pap. I say this because the port noise on an SBR (11.5 or shorter) is so loud that it hurts my right ear.. causes damage/ringing.
Now the 14.5 still has a little nip to it, and I'm sure it's causing a little damage too, but it's much less painful.
I too have an older M4-2000 that the 1000 is based on - totally Rocks. And it is a rock.
I always figure I could kill someone with it if they came in range of me being able to throw it at them.
I see a lot of references to the older M42K - is there a guide to the different M4-1000 generations? I imagine that the latest generation is the most desirable, but I'm curious as to how the design has evolved over the years.
I have one mounted on a LMT 10.5. No issues to report but good luck finding a mount these days. Luckily I bought mine before AAC decided to not include mounts with the can.
confused as always....are you saying if you purchase a 1000, there is a chance you cannot get the mount??
I have one of the newest M4-1000 that I picked up from my SOT back in April (maybe late March). I run it on a BCM 11.5" upper and a Noveske 16" mid length upper. Great can for the price point. I have three black out mounts for it (one is a spare not mounted to anything right now). Can mounts solid to either upper/mount never had a problem with it (although I do not get as much range time as I'd like). Less than $700 with taxes and everything when I got it.
I see a lot of references to the older M42K - is there a guide to the different M4-1000 generations? I imagine that the latest generation is the most desirable, but I'm curious as to how the design has evolved over the years.
Any of the 1ks are fine. The 08, which is what you'd likely find in any stocking dealer, is the newest. That means it's got upgrades in construction and some materials.
I actually like the 07 1k better because it has the round donut encap like you see in slick's picture above. The current 1ks and 2ks have the flat end cap that looks pretty plain and boring... not that I'm a "looks" guy when it comes to gear... but the old donut endcap is way cooler.
You'll notice on the pic above that their are plug welds. This is less desireable than the full circumfrential welds that are on the current baffle cores.
Anyone else having a problem with their M4-1000 loosening up? I put in a new wire circle clip but it still comes loose under sustained fire
Oh yeah... and the old cans came in much cooler packaging. Here's my 07
http://i210.photobucket.com/albums/bb201/trixiebud/andradepix020.jpg?t=1252023658
Anyone else having a problem with their M4-1000 loosening up? I put in a new wire circle clip but it still comes loose under sustained fire
No. I've heard of this happening from one other guy though. It shouldn't back off more than the next tooth on the mount though. :confused:
The 08 model has 2 detent springs offset so that a detent is always engaging the mount.
I have had my 07 M4-2000 come loose(more than 1-2 notches) a couple times. Bought a new spring, bent the spring to increase tension of the spring on the mount. So far so good on 4 different mounts. BUT....I still put a chalk line on the can and barrel for a quick visual check of movement.
Aside from that, Great can IMO.
I still put a chalk line on the can and barrel for a quick visual check of movement
Thats a good idea...
decodeddiesel
09-09-09, 11:55
Dumb question, but do these cans reflex back over the mount at all?
It may be an issue with the 10.3" barrel I am planning on purchasing, and I was just wondering if there is a chance of an interference issue with the bayonet lug on the 10.3".
Shouldn't be a problem. On a pencil thin barrel the 18 tooth blackout mount reflexes like 1/4" back over the shoulder. A regular profile barrel will have none of the mount or silencer behind the shoulder of the barrel.
CAR-AR-M16
10-15-09, 14:26
No. I've heard of this happening from one other guy though. It shouldn't back off more than the next tooth on the mount though. :confused:
The 08 model has 2 detent springs offset so that a detent is always engaging the mount.
Can anyone show a pic of this dual detent spring? Will it fit in an older M4-2000 that uses the 18-tooth mounts?
Can anyone show a pic of this dual detent spring? Will it fit in an older M4-2000 that uses the 18-tooth mounts?
Won't fit. The can is set up with TWO of the same spring next to one another. It's not a different spring design. It's a double up of the original spring with one offset a few degrees from the other.
CAR-AR-M16
10-15-09, 14:52
Won't fit. The can is set up with TWO of the same spring next to one another. It's not a different spring design. It's a double up of the original spring with one offset a few degrees from the other.
Thanks for the info.
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