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Suppressors Supressor research

SniperCJ

SniperCJ

Sky God
Commercial Supporter
Full Member
Minuteman
Nov 2, 2001
1,144
3
Dallas,TX
#1
My Dept is finally looking at supressors. The biggest concern, and the one showing the most lack of knowledge, is the fear of POI shift. Is anybody seeing that with your supressors.

Give me some opinions of the ones you guys own.

Supressor makers and distributors, please also chime in.

We'll eventually be buying 2 or 4 30 cal.
 
#2
Re: Supressor research

A good suppressor, properly fitted should have little or no POI shift and if present, it should be consistant/repeatable. I use Surefire cans, and they work very well. Mike Lau is in your neck of the woods and can provide all the info and or work you would require. Terry Cross in LA can do the same, if not too busy. You cannot go wrong with either of them. For LE use, you should consider a Q/D can I would think. Surefire is only one of the good ones. I am sure there are others.
 
#3
Re: Supressor research

The two best out there are the Shark which is local to you and the ThunderBeast... Ti and cheaper with less hassle than the Surefire, although the Surefire brake I like a lot.

Hanging a weight off the barrel is going to produce variations based on the rifle and suppressor set up. So light is right in this case. The Ti cans hover around 13oz with single point cans being the best choice for a precision rifle.

Because of your location I recommend contacting Shark.. But if the bean counters get involved ThunderBeast is a bit cheaper with nearly identical results. On my rifles the ThunderBeast has a bit less POI shift, and sound is within 1db of each other.
 
#5
Re: Supressor research

For a precision rifle, not a duty carbine, I know very few who would suggest a QD attachment. The repeatability from my experience and several others who I've spoken to in depth about it (including a lot of testing on my part with a friend's setup) indicates that the threaded attachment is going to give you the best repeatability.

The suppressors that I've worked with have mild POI shifts but for a good can that is properly attached to the rifle the POI shift is repeatable each time.

With a multi-lead attachment thread on the QD's you don't always get that, even with the indexing marks on the can body being used as a reference.

A relatively small POI shift is not a problem as long as it's repeatable and can be verified through testing to be repeatable. With a properly threaded barrel nose I have yet to see a well built can that won't repeat each time. The QD that I worked a lot with on AAC's 7.62 was not always repeatable when we worked it on the same indexing number. When the indexing number was ignored and the can was simply installed and shot the POI shift was totally unreliable.

You should not be relying upon the threads to center/align the suppressor to the bore. I really like the aft end cap to have a conic section so that I can use the taper to center and align the suppressor body to the bore. This means that the threads only provide a the preload path for tension to hold the can in place, the conic section is the indexing surface. Note also that I use the term "indexing surface" not "indexing line". A conic surface will allow you to resolve the rotational moments of the can trying to move separately from the barrel during firing.

So far I've worked with:

Several of my own designs on Form 1's with several mounting configurations. I settled on threaded attachments with a conic portion to act as an abutment surface that the suppressor indexes from.

1) AAC's 7.62 SD (owned by a friend)
2) Gemtech Sandstorm (owned by a friend)
3) Wells Custom Gunmakers 0.30c (I purchased one of these)
4) Shark's TigerShark (owned by a friend)

I would have no problem buying anything of the 2, 3, 4 cans however the #3 Wells can was within my means financially and the only thing that it lacks compared to the Sandstorm or the TigerShark is that it's made from SS instead of Ti. Weight would be the only trade off there and I can't justify the difference in price to myself for a few ounces of weight reduction. Barrel harmonics are important but knowing what is happening allows the user to tune the behavior anyway you slice it.

I don't doubt that the Surefires will work too, but for a precision rifle I would strongly suggest AGAINST the Q/D mounts.

Some people to call and discuss this topic with would be:

Tom Sarver of Thunder Valley Precision (Shark Dealer)
Dave Wells of Wells Custom Gunmakers

Tom is especially knowledgeable about the behavior of several different suppressors on precision rifles at long ranges. I've seen him use his 260 Rem out past 1600yards with the TigerShark on there and it's an exceptional package.

Dave is a very good guy to talk to and will take the time to explain things in detail if you're interested. I know that Dave is currently working to supply his local PD's department with suppressors for their DM shooters.
 
#6
Re: Supressor research

My reccomendation of a Q/D can was with expirence trying to thread one on at night in a high stress sitution. I can put them on quickly and quietly at night, every time.
The SF cans deliver minimal and repeatable POI shift with sub MOA accuracy to 1000 yards. On some rifles well under MOA. I do use a KAC suppressor on the SR 25, but have not shot it as much yet. It is Q/D as well.
 
#8
Re: Supressor research

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: rth1800</div><div class="ubbcode-body">My reccomendation of a Q/D can was with expirence trying to thread one on at night in a high stress sitution. I can put them on quickly and quietly at night, every time.
The SF cans deliver minimal and repeatable POI shift with sub MOA accuracy to 1000 yards. On some rifles well under MOA. I do use a KAC suppressor on the SR 25, but have not shot it as much yet. It is Q/D as well.

</div></div>

Please, high stress at night, threads are threads. Silently with rackets?

I currently own,

SF 762ss
AAC 762SD
Gemtech Sandstorm
4-Jet Ti
Shark
Thunderbeast 30P-1
Halo
Outback

And in the cue right now for transfer a Tac Ops .30 and Ti Rant

I have also seen issues with the $1500 SF in the last class at RO, as well both my rifles with SF attachments have shifts, SF customer service has been excellent but two rifles from two different builders both received adapters that result in shifts. SF has offered to replace them , but frankly I don't much feel like having my 1/4 minute rifles wrenched on because the expensive brake is at fault.

It's a good can, overprice without the QC details in my opinion. And Quietly racketing it on is silly compared to threading a single point can. Personally I would tell you to have the can on first, because I can't imagine going into an area without on if I thought I would need it.

Lastly after heavy use it's a bitch to get off because of the carbon build up, so the QD is less than perfect.
 
#9
Re: Supressor research

John,

I have surefire breaks/adaptors on several of my guns, 308 and 7wsm. Over the last 2 years I have used 2 different surefire cans on each of these guns (mine plus a demo can). The POI shift in every case was a very repeatable 0.2mil downward shift. That is regardless of which can I put on the rifles. There is no decrease in accuracy. The shorty rifle with can was banging steel just fine to 1k at the Cup last year and held up to normal RO abuse. It also handles the 7wsm just fine. The muzzle break is quite effective as well. The only drawback is the price. As to whether you want a QD....I wanted the ability to run a good break on both a short 308 and the 7wsm, plus to mount a can quickly. You may not need the break option, and can leave the can in place.

The other thread on cans we have tested through some of our rifles have been the Gemtec Sandstorm, the Quicksilver, and the AAC offerings. The barrel was a 19" bartlein threaded by them. The Sandstorm had a negligable shift (on the order of 0.1mil) which was repeatable in our limited testing. The AAC had a slightly larger shift on several guns, including some gas guns....0.2-0.3mil down. The quicksilver we just got ahold of. So far it has caused minimal shift as well, and is very thin and light.

I agree with talking to Terry. He has not only used most of them, but he has dealt with one of our local SWAT teams and their issues with repeatability on their rifle/suppressor combos.

Are you coming to the Bash? I might be able to arrange to bring whatever 30 caliber cans we have in the shop up to RO for you to test fire.

Sean
 
#10
Re: Supressor research

Frank,
You no doubt have much more expirence with cans and all aspects of rifle shooting than I do. With the threaded cans in the dark, I tend to be make noise, fumbling the can into the barrel while trying to align the threads etc. You may not do this. I only did it a few times and got a Q/D. With the ratchet, I just hold it down and it does not make the clicks. I should have said "almost silent". I do not hear it, but there is much I do not hear now.
I have only shot about 7 different kinds of cans. All of them have POI shift. IF repeatable it is OK with me, but I would like one that did not, but have never seen it.
I notice that on my SF 7.62 can on a 22" Krieger I move it .75 MOA left to be on with suppressor.
I agree that the can should be in place prior to needing it, but Murphy's Law indicates that it will not always be so.
I do not shoot high volume enough to have problems with carbon build up/difficulty with adaptors or cans. I have only had this happen once.
BTW, what do you think of the KAC can for the SR25? I have one, but have not shot it except to sight it in?
 
#11
Re: Supressor research

The KAC is a terrible can. It is a two point design that effects accuracy after use due to the heating and cooling of dissimilar metals. The can touches the front of the barrel and horse shoe attaches to the gas block. It effects harmonics.

I have seen leaking cans from KAC due to weak welds, loose clips, tight clips, just a lot of inconsistencies in the design. Long and heavy with a prounced shift usually 3" or more.

Fumbling the threads is a training issue. More about technic than type. Holding the barrel vertical, you should be able to place the can on it to seat the it's just a point of turning.
 
#13
Re: Supressor research

Thread it and put a SF brake on it to use the SF can...

Most of the guys we deal with that use the KAC, only use it at night because they know it will only require limited range and limited rounds. (hopefully)

For pure accuracy, you run it without the can, or send it in for a single point mounting system, either Q/A or Threaded.
 
#16
Re: Supressor research

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: SniperCJ</div><div class="ubbcode-body">Bear in mind also that convincing the bean counters to pony up $1350 for a Shark might be a trick.</div></div>

Understood -- the better ones are not cheap.

Shark, TBAC, SF are all over $1200... there are some new Ti that are supposed to be cheaper, I think SAS makes one, but I have never used it. If you look there are few budget ones.

I had a weird shift with my Sandstorm, but the more I use it the more it goes away, so that might be an option, most have good luck with them and I believe they are under $1000, although don't quote me on price I am not very on retail numbers.
 
#17
Re: Supressor research

Don't know about you guys but the only time I take my can off my bolt 308 is to clean the rifle.

My barrel is 18" and the can adds just over 8" making the total about the same as a 26" barreld gun give or take , fits in the case and safe just fine
 
#18
Re: Supressor research

I have no experience with .30 cal cans.

With the Surefire 5.56 cans, I have come to believe that the mounting system will provide negligible(or zero) POI shift if the barrel is threaded concentric to the bore.

As to QD vs thread on. My first can was a thread on. Each time I was screwing it on I would worry about cross threading, and when I had it off the rifle I would worry about damaging the threads on my rifle. And that was just on a cheap AR15 barrel. I can't imaging having bare threads(well there are thread protectors) on an expensive barrel. One bad timed drop and the threads gets damaged.

I notice I seem to get better groups when shooting suppressed. That and the small velocity gain and other nice benefits to a suppressor.
 
#19
Re: Supressor research

I cant comment on .30 but I am running an AAC M4-2000 with a blackout mount on my Sig 556 rifle. Zero POI shift with 3 types of ammo run through it. The QD mount has a nice ratchet stop / retainer that prevents the can from backing off.

AAC delivery time SUCKS but they make nice stuff.
 
#20
Re: Supressor research

I also use the 5.56K Surefire cans and love them. My AR's have only been shot without them to check for POI change. All my AR shooting is with the SF can. In the dark, for me, I always was worried about C/T and damage. It is also hard to align in a hurry.
 
#21
Re: Supressor research

Guys, 5.56 to a precision rifle is apples to orange...

Barrels are longer, the cans add weight and will cause a shift in most cases. Consistent shift is normal for 90% of the suppressors out there, the others have very little shift, approximately 1/4 MOA for a good can. Plus your 5.56 isn't being shot as far by any stretch... most of you with "no shift" are probably well inside 100 yards using 1.5 MOA ammo on a good day.

If you look at the weight of the non-Titanium suppressors you are talking more than 20oz, in some cases more than 24oz, so you are looking at lot of material to hang off a barrel. You can't compare it to a small 5.56 can.

If you get your barrel threaded, you have a Thread protector for times you are not using the can. You'd have to be pretty off your game to cross thread them, they aren't super fine by any stretch and are usually of high quality. I have at least a dozen rifles threaded for a single point can and I have yet to see an issue across 4 different manufacturers, Jet, Gemtech, Shark, TBAC... zero issues on and off repeatedly.

Shifts will happen, usually consistent shift, not to mention if JC things $1250 is tough retail for a SF is $1750, not mention getting the brake properly timed on top of threaded if not already done. That is double a Gemtech Sandstorm in most cases... 2 for 1 for a department on a budget.
 
#22
Re: Supressor research

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Lowlight</div><div class="ubbcode-body">The two best out there are the Shark which is local to you and the ThunderBeast</div></div>

Hell of a statement, Frank. Not two of the best, but "The two best cans out there."



..

 
#23
Re: Supressor research

LL is correct about shift. Hang a weight off of the (long) barrel ...any weight, and the POI shift comes with it. Even a small brake usually produces shift in most rifles. You can hopefully minimize and make consistent the POI shift with minimizing the suppressor mass, and the internal geometry somewhat, but it will continue to be there.

I like thread on cans for that application. There are advantages and disadvantages to every design.

While not always practical, the best suggestion is to shoot as many as you can and preferably in the same range session. Selecting a suppressor is alot like selecting an optic in many ways: there is a best fit for your application that may not be the "best" according another application. Input on forums sometimes comes from those who own one flavor and tout it as the best.

Many of the offerings you will look at would likely do a good job. Decide what bells and whistles you need and don't need. Most departments have a tight budget, and that might help with making the selection more palatable for the higher ups.
 
#24
Re: Supressor research

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: RollingThunder51</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Lowlight</div><div class="ubbcode-body">The two best out there are the Shark which is local to you and the ThunderBeast</div></div>

Hell of a statement, Frank. Not two of the best, but "The two best cans out there."



..

</div></div>

You're reading too much into it, I honestly wasn't thinking about being politically correct on the subject and honestly from all the ones I have played with or own, they are the "two best" of the bunch. Granted I haven't tried them all... but I have tried alot, more than most in fact.

But still, way more thought into the words than I did...
 
#28
Re: Supressor research

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Bacarrat</div><div class="ubbcode-body">Don't you know LL? AWC makes the BEST suppressors!</div></div>

smile.gif

Apparently I have been reminded, as the errors of my wording have been pointed out from the AWC corner of the room.
 
#30
Re: Supressor research

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Lowlight</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: RollingThunder51</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Lowlight</div><div class="ubbcode-body">The two best out there are the Shark which is local to you and the ThunderBeast</div></div>

Hell of a statement, Frank. Not two of the best, but "The two best cans out there."



..

</div></div>

You're reading too much into it, I honestly wasn't thinking about being politically correct on the subject and honestly from all the ones I have played with or own, they are the "two best" of the bunch. Granted I haven't tried them all... but I have tried alot, more than most in fact.

But still, way more thought into the words than I did... </div></div>

You could fly out to KY and we can demo a bunch of cans! I have a safe full that we could test out. So I'll leave the invitation open.
smile.gif
 
#31
Re: Supressor research

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: SniperCJ</div><div class="ubbcode-body">Bear in mind also that convincing the bean counters to pony up $1350 for a Shark might be a trick. </div></div>

Yes Sharks are exspensive, but consider if there is an issue with the can, David being local has to account for something, anyother can your department will be without, you really should contact David for a demo.
 
#32
Re: Supressor research

Frank,
I shot the KAC can on the SR 25 out to 400 yesterday. It was gusty in the 12-15 mph range so groups were large. At 400, running about 5" with 2.5 being vertical and 5 horizontal.
With the can on, groups were the same, but .5 mil low. Centered. Only fired 20 rds, but they were consistant. I do not think that is too bad. I was expecting worse from your expirences. I will post more if the picture changes.
 
#33
Re: Supressor research

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: 427Cobra</div><div class="ubbcode-body">Yes Sharks are exspensive, but consider if there is an issue with the can, David being local has to account for something, anyother can your department will be without, you really should contact David for a demo. </div></div>

Oh Ive already talked to David, who, on a side note I already know from previous contact with him. Good dude.

Its just a matter of the bean counters
 
#34
Re: Supressor research

Cant go wrong buying from Shark. Waranty, local service instead of mailing it in, ability to change thread adapters, change internal parts easily if needed, quiet, light and it keeps the LOCAL economy stimulated. Im sure you and David can sell it to the bean heads JC. As 427Cobra mentioned, David will demo for you guys and also talk to the bean counters. Buy once cry once!!! Good Luck.
 
#35
Re: Supressor research

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Lowlight</div><div class="ubbcode-body">The KAC is a terrible can.</div></div>Probably the worst can that I've ever used, but Uncle Sugar gives what he gives
frown.gif
We thread mounted a Gemtech HVT to one MK11 and it was night and day compared to the KAC can (...and I'm personally not even a fan of the HVT).

I've had good luck with both Ops 12th MBS .30cal & AAC Cyclone.

Most of my suppressed .30cal shooting is behind the Cyclone and I have a 100% repeatable 3 moa shift to the 6' suppressed.
 
#36
Re: Supressor research

The KAC can is great for what its intended for and considering its size it actually does quite well. I've got one on a Mk 11 Mod 0 and its a very good suppressor for the rifle and for the purpose. Its not as quiet as other .308 cans out there but its a hell of a lot smaller and lighter than most. I wouldn't even consider it for use on a bolt gun or as a primary suppressor for my .308 but its not a piece of crap either. Far from the worst can ever made.....

Frank
 
#37
Re: Supressor research

OK, how about SAS (Supressed Armament Systems)? They have a Ti weighing less than the Shark at a substantially better price.

Also, single point threads vs two point like the Ops Inc? Seems the two point mount would co-witness better and be overall shorter, this providing less POI shift. Correct or am I talking outa my a$$?
 
#38
Re: Supressor research

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: rth1800</div><div class="ubbcode-body">Frank,
I shot the KAC can on the SR 25 out to 400 yesterday. It was gusty in the 12-15 mph range so groups were large. At 400, running about 5" with 2.5 being vertical and 5 horizontal.
With the can on, groups were the same, but .5 mil low. Centered. Only fired 20 rds, but they were consistant. I do not think that is too bad. I was expecting worse from your expirences. I will post more if the picture changes. </div></div>
i'll be doing some testing with my MK11 MOD0 and KAC QD suppressor, i hope i don't run into probs with this system, we'll see how bad the 2 point contact of the KAC suppressor affects the accuracy as soon as i get a chance to compare it to the armalite super sass equipped with the TI suppressor, been sayin it a long time but still workin on the vid of this.
 
#39
Re: Supressor research

toddacguy got a video of us shooting several of the above mentioned cans with a thermal camera.......consuel with him John....after seeing the heat distribution and how some cans have nasty hot spots and piss poor design.....one can only conclude as to which can is superior by design ,......
 
#40
Re: Supressor research

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: BOLTRIPPER</div><div class="ubbcode-body">toddacguy got a video of us shooting several of the above mentioned cans with a thermal camera.......consuel with him John....after seeing the heat distribution and how some cans have nasty hot spots and piss poor design.....one can only conclude as to which can is superior by design ,...... </div></div>

Do you have any quantitative data as how much impact shift results as those cans heat up, as well as any reduction in noise suppression?
 
#41
Re: Supressor research

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: doorkicker</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Lowlight</div><div class="ubbcode-body">The KAC is a terrible can.</div></div>Probably the worst can that I've ever used, but Uncle Sugar gives what he gives
frown.gif
We thread mounted a Gemtech HVT to one MK11 and it was night and day compared to the KAC can (...and I'm personally not even a fan of the HVT).

I've had good luck with both Ops 12th MBS .30cal & AAC Cyclone.

Most of my suppressed .30cal shooting is behind the Cyclone and I have a 100% repeatable 3 moa shift to the 6' suppressed. </div></div>

Ive got a KAC NT4 and I think is a better can then most 223 suppressors out there. Never had a problem with it, no POI change on my SBR at all from unspressed AND its built like a shit brick house.

I see its only downfall being its weight.
 
#42
Re: Supressor research

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: doorkicker</div><div class="ubbcode-body">Probably the worst can that I've ever used, but Uncle Sugar gives what he gives
frown.gif
We thread mounted a Gemtech HVT to one MK11 and it was night and day compared to the KAC can (...and I'm personally not even a fan of the HVT).

I've had good luck with both Ops 12th MBS .30cal & AAC Cyclone.

Most of my suppressed .30cal shooting is behind the Cyclone and I have a 100% repeatable 3 moa shift to the 6' suppressed. </div></div>

whats ur ops 12th on??? does it not have a collar that makes it contact the barrel @ 2 points as well??? i have one on order for my Armalite Super SASS, suppossed to increas the accuracy up to .25MOA, guess i will find out if the KAC does the same.
 
#44
Re: Supressor research

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Mo_Zam_Beek</div><div class="ubbcode-body">FWIW - an SRT TI can is $1,095.00




Good luck </div></div>

worth every penny... one of the best cans i've heard, one of my buddies got one for his 7mm STW, & RUM, cant beat it IMHO.
 
#45
Re: Supressor research

Not to confuse the issue, but apparently we are also looking at suppressors for the M4's.

Any opinions there. QD I would assume is ok there.
 
#46
Re: Supressor research

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: rth1800</div><div class="ubbcode-body">Frank,
I shot the KAC can on the SR 25 out to 400 yesterday. It was gusty in the 12-15 mph range so groups were large. At 400, running about 5" with 2.5 being vertical and 5 horizontal.
With the can on, groups were the same, but .5 mil low. Centered. Only fired 20 rds, but they were consistant. I do not think that is too bad. I was expecting worse from your expirences. I will post more if the picture changes. </div></div>

Well now you have your own opinion and you don't need mine... 1 gun and 20 rounds, not what I would call a reliable sampling, but it is what it is and you can rest easy now that your decision to buy that particular combination was the right one, especially now after your first person testing of the subject.

So cheers, and good luck that...

JC, <span style="font-style: italic">some</span> the nicest M4 cans I have seen are the SureFire Minis.... very kick ass.
 
#48
Re: Supressor research

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: B. Melick</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: BOLTRIPPER</div><div class="ubbcode-body">toddacguy got a video of us shooting several of the above mentioned cans with a thermal camera.......consuel with him John....after seeing the heat distribution and how some cans have nasty hot spots and piss poor design.....one can only conclude as to which can is superior by design ,...... </div></div>

Do you have any quantitative data as how much impact shift results as those cans heat up, as well as any reduction in noise suppression?</div></div>




as a mater of fact i do.......Boltripper gives the shark two thumbs up........there take it to the bank.....
 
#49
Re: Supressor research

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: skinney</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: doorkicker</div><div class="ubbcode-body">Probably the worst can that I've ever used, but Uncle Sugar gives what he gives
frown.gif
We thread mounted a Gemtech HVT to one MK11 and it was night and day compared to the KAC can (...and I'm personally not even a fan of the HVT).

I've had good luck with both Ops 12th MBS .30cal & AAC Cyclone.

Most of my suppressed .30cal shooting is behind the Cyclone and I have a 100% repeatable 3 moa shift to the 6' suppressed. </div></div>
whats ur ops 12th on??? does it not have a collar that makes it contact the barrel @ 2 points as well??? i have one on order for my Armalite Super SASS, suppossed to increas the accuracy up to .25MOA, guess i will find out if the KAC does the same. </div></div> Just now seeing this...
The Ops 12th (.30cal) was on a tapered barrel M40A1 (brake & collar attached)...superb can...the worst can I was referring to was the KAC can in the M11 package...sucks! The mount on the gas block attachment point is retarded.
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: SniperCJ</div><div class="ubbcode-body">Not to confuse the issue, but apparently we are also looking at suppressors for the M4's.

Any opinions there. QD I would assume is ok there.</div></div> What kind of M4s do you have (barrel length)? Biggest factors are added length, weight IMO...what are you willing to sacrifice? I would certainly recommend going with a QD attachment on an M4 platform.
I have a Surefire Mini, Ops 12th (5.56) & AAC M41k and all of the perform well, but have different applications based on their size weight.
I'd take a SF Mini for an entry gun personally since OAL/weight are issues for me.
M42k is a great can if you need an FA rated one that is a decent price.

Probably the worst M4 suppressor I've shot is KACs (again)...I'm not a KAC basher, I actually really like their kit, but their cans are garbage.
 
#50
Re: Supressor research

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: doorkicker</div><div class="ubbcode-body">What kind of M4s do you have (barrel length)?</div></div>

Colt with 11.5 inch barrels. Select fire with 3 rd burst. Primarily entry guns so ca length is inportant.
 
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