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  #1  
Old 04-15-2010, 06:20 AM
deldago deldago is offline
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Best caliber to supress/silence?




Been looking at supressors for various pistols and get varying opinions on what caliber/gun works best.Hoping some of you guys have some experience with this to help me make a decision without making an expensive mistake.As you know,it's expensive and takes several months to get one so I want to do it right the first time.Any suggestions or personal experience would be greatly appreciated.
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  #2  
Old 04-15-2010, 06:29 AM
USMM guy USMM guy is offline
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I do not know that much about it.

I have never even fired a suppressed gun before. But there is a guy in town that sells them. He has some suppressed Ruger 10/22s in there that he says that all you can hear are the empty cases being ejected out of the gun when you fire it. I do not know if this is true or not. But it seems to me that .22 Caliber rimfire would be a good candidate to suppress as it is not that loud to begin with. Again as with suppression you are only looking at reduction of decibels as opposed to elimination. This makes a lot of sense.

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  #3  
Old 04-15-2010, 06:37 AM
MSgt Dotson MSgt Dotson is offline
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I've seen/heard a supressed HK USP in 9mm at the local inoor range;.....in fact, I took off my hearing protection just to hear it...

With subsonic ammo, one hears the muted 'cough', then the louder sound of the slide going back into battery....
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  #4  
Old 04-15-2010, 07:11 AM
CatsFan20 CatsFan20 is offline
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I've watched a suppressed MP5 at the range. It was still a very audible noise, but it was a lot quieter than without one i'm sure. I thought I read somewhere that Israeli assassins use silenced .22 maybe I'm wrong. If I'm not I would guess a .22 is the the most easily silenced.
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  #5  
Old 04-15-2010, 07:15 AM
Punani Punani is offline
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I have a Gemtech M4-02 .223 suppressor that I switch between all my .223 guns, and my 10/22.
The 10/22 with subsonic or "slower" ammo is very quiet. Especially with a different buffer in it. All you really hear is the action.

A .223 suppressed is still loud, as it's still supersonic. Hearing safe, but still loud.
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  #6  
Old 04-15-2010, 07:37 AM
WalterGC WalterGC is offline
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The most reduction you're going to get from centerfire rounds would be in the neighborhood of 35db. If you subtract 35db from 150db, you still have significant noise.
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  #7  
Old 04-15-2010, 11:52 AM
kidde kidde is offline
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Too Many Variables

Suppressed 22LR's can be very quiet, especially rifles. There is no standard dB reduction and don't forget dB's are a measure of magnitude and pressure, not a linear progression like weight but more like earthquakes. I recently shot a Ruger 77/44 with 300 gr. RNC at just over 1000 fps. Outside behind the gun it sounded comparable to a Red Ryder.
You get the supersonic crack at @ 1100 fps, so I'd start below there. The smaller the diameter of the projectile the easier to reduce blow by. Built ins tend to run more accurate than fast attach (same location every time). Lots of choices, lots of fun. I giggle like a school girl listening to an action work while brass bounces of the ground.
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  #8  
Old 04-15-2010, 12:52 PM
Steel1212 Steel1212 is offline
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The suppressed guns I've shot the .22 subsonic is by far the quietest, all you hear is the bolt cycling. Suppressed 5.56 sounds like a .22LR. I haven't heard a 9mm sub-sonic though.
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  #9  
Old 04-15-2010, 05:39 PM
Darkelf Darkelf is offline
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Hk mp5

My old department issued me a suppressed MP5 9mm for use on the tactical team. Firing the weapon was a complete joy, as long as you used jacketed rounds there were no FTF issues. Lead bullets clog up the gas ports in the barrel. The weapon was extremely quiet, and as stated before, all you heard was the brass hitting the ground. The problem with the suppressed HK as relayed by our course instructor was the more you shoot it, the louder it will become. Eventually you will have to replace it.Since it was a sealed tube, the only way to clean it was to slap it sharply on a flat surface in a vertical position. This was a dry suppressor,but there are other types that use wipes.
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  #10  
Old 04-15-2010, 06:27 PM
ArtCrafter ArtCrafter is offline
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Qualifier: I have no 'need' for a can, so I view it as a luxury/sport item.

That in mind, if I were ever to go the suppressor route (doubtful; nor real need + invasive paperwork), and if I only wanted one of them, then it would have to be a non-integral/removable can for .22 rimfire.

It would also have to be easily disassembled for cleaning, especially for a .22. Even the 'best' rimfire ammo is pretty dirty, and the 'crud' will 'choke' a suppressor in relatively short order.

I would also be looking for a can with baffles, etc. made of steel alloy. Leading stuck to aluminum can be 'tricky' to remove. Since suppressor parts are tightly controlled, I'd want to avoid damaging them to the extent practicable. (If the parts were made from a tougher material like steel, they could even be bead-blasted without having to worry too much.)

Last time I checked (2 years ago), there were at least a couple of 'good' suppressors available that met these 'specs.'

Prices ran a few to several hundred dollars at that time (not including the federally-mandated $200 fee for the 'privelege' of owning own).

HTH/YMMV
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  #11  
Old 04-15-2010, 09:22 PM
Lordofbarbeque Lordofbarbeque is offline
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Look for Sparrow

Some gentleman had photos of a Sparrow suppressor on a 22 pistol on this website I believe. You might want to find/contact him. If not try a search on internet. It seemed an ideal setup with several nice features involving baffle system. I would have to vote for 22 for reasons already mentioned.

I would tell you look up John Norrell, a most knowledgable and amiable man familiar with suppression systems, but his backlog is in the years now.
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  #12  
Old 04-15-2010, 09:23 PM
Guevera Guevera is offline
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An unusual suppressor but a very effective one is the .44 model built on a Ruger bolt action, as mentioned by Kidde above. Mine was made by SRT, and when I use heavy .44 special ammunition (the gun is actually designed to fire 44 magnum) the dominant sound is definitely the whack of that big old slow bullet hitting downrange. One of my great joys used to be sitting on a hillside over a beaver pond flooded creek bottom and shooting at dead trees standing in the water. They are great and free reactive targets and a lot of fun.

I also have suppressors for .22 and 9mm pistol and submachine gun, and each has its place. A suppressed Sten gun is surprisingly effective and since it has such a distinctive sound signature really helps keep the locals happily ignorant of what mayhem is happening nearby. Then there is this little beast, and here you're not only glad for the lack of noise but just for something to hang onto:

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  #13  
Old 04-15-2010, 10:26 PM
williamd williamd is offline
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Quote:
Originally Posted by Punani View Post
I have a Gemtech M4-02 .223 suppressor that I switch between all my .223 guns, and my 10/22.
The 10/22 with subsonic or "slower" ammo is very quiet. Especially with a different buffer in it. All you really hear is the action.

A .223 suppressed is still loud, as it's still supersonic. Hearing safe, but still loud.
RIGHT! The key to quietness is subsonic. Subsonic target ammo is quite and with any type of supression it is VERY quite.
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  #14  
Old 04-17-2010, 01:14 AM
kidde kidde is offline
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Hey Guevera, I also noticed that the impact 50 yds away was much louder than the shot with the 44. Nice collection of toys you have there, and your right about the Uzi can giving you something to hold on to. With the cyclic rate they have you need all the leverage you can get. If you get an opportunity to shoot a Beretta 93R or Glock 18 jump on it. You won't hit much with it switched over to fun but they are very entertaining.
Paul
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  #15  
Old 04-17-2010, 07:02 AM
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stillwater stillwater is offline
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Quote:
Originally Posted by MSgt Dotson View Post
I've seen/heard a supressed HK USP in 9mm at the local inoor range;.....in fact, I took off my hearing protection just to hear it...

With subsonic ammo, one hears the muted 'cough', then the louder sound of the slide going back into battery....
Exactly. The 9mm is the suppressor builder's round of choice. Large enough to be effective, can be loaded subsonic.
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  #16  
Old 04-17-2010, 07:41 AM
Auto Mag Auto Mag is offline
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If you are looking to buy a suppressed 22LR then by all means check out an AWC Amphibian S!!! It is built on the Ruger Mark ll platform!!
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  #17  
Old 04-17-2010, 07:58 AM
TonyT TonyT is offline
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A dealer in Class 3 firearms shot a 22 semi auto (forget the brand) and a Sig in 9mm several years ago at an area shoot. The 22 semi auto was virtually noiseless and the 9mm sounded less sharp than a 22 if my recollection serves me correctly. Personally I do not own any suppresed guns but I do admit that the noise reduction would be a benefit - one coukld only wear foam earplugs instead of ear muffs.
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  #18  
Old 04-17-2010, 08:23 AM
GIJew766 GIJew766 is offline
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As much as people seem to have forgotten, the .45 ACP is not a bad round to suppress. Especially given that even some of the hotter loads are below the supersonic level. They are still on the "louder" side, but you can make them pretty damn quiet in comparison to an unsuppressed pistol.


I've suppressed a handful of .45s over the years. The last one, which I sadly no longer own, was an Ed Brown Classic Custom with a Bar-Sto extended threaded barrel and Gem-Tech Blackside suppressor. I am currently awaiting the arrival of my TiRant suppressor from Advanced Armament. Just need something to put it on...
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  #19  
Old 04-17-2010, 08:55 AM
Guevera Guevera is offline
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Quote:
Originally Posted by Auto Mag View Post
If you are looking to buy a suppressed 22LR then by all means check out an AWC Amphibian S!!! It is built on the Ruger Mark ll platform!!
I hope that AWC has changed their design so it can be opened and cleaned, because I have one of their integral suppressed Ruger designs that I haven't even picked up in five years. The suppressor leaded up and now sounds like a regular pistol. AWC said they would rebuild it for several hundred dollars, and I got mad and put it in the back of the safe.

Not impressed with AWC or their service. At all.
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  #20  
Old 04-17-2010, 09:02 AM
Maylar Maylar is offline
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Isn't the USP Tactical a .45? It comes with the threaded barrel.
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  #21  
Old 04-17-2010, 03:54 PM
seantm seantm is offline
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Hello, im new to this site, but saw this post and thought I'd throw in my 2 cents. I have had the opportunity to shoot many suppressed firearms ranging from a silenced Walther P-22 all the way up to the Cheytac M-200 in .408 due to a past employer's "eccentric" interest in firearms (as well as funding). Honestly of all the different firearm/caliber variations, I would have to say that his HK Tactical in .45 ACP was the most impressive. It is a perfect caliber for suppression because the majority of all factory ammunition is already subsonic eliminating that part of the noise. Really all you could hear was the operation of the pistol, obviously, and very very little noise other than that. I was most surprised with his M4 variants and their short Surefire cans attached. They were quiet enough to shoot without hearing protection, but not comfortably. He informed me that is was just the nature of the shorter suppressors, but still very impressive none the less.
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  #22  
Old 04-17-2010, 08:07 PM
d-cannon d-cannon is offline
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I shot my brother-in-law's suppressed Colt 1911 last week. It is obvious that you are firing a weapon, but you can do it without hearing protection and no tinnitis.
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  #23  
Old 04-17-2010, 08:12 PM
Auto Mag Auto Mag is offline
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Quote:
Originally Posted by Guevera View Post
I hope that AWC has changed their design so it can be opened and cleaned, because I have one of their integral suppressed Ruger designs that I haven't even picked up in five years. The suppressor leaded up and now sounds like a regular pistol. AWC said they would rebuild it for several hundred dollars, and I got mad and put it in the back of the safe.

Not impressed with AWC or their service. At all.
Thanks for that info!!! I was looking into getting one but will have to look into them much further now that you posted!!!
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  #24  
Old 04-21-2010, 05:48 PM
preventec47 preventec47 is offline
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Here is a gun I would like to play with. As a poster has already
shared, the 44 mag could work well.

My thinking is a 300 gr bullet would require a much greater explosive
force and louder sound than a lighter 44 special bullet traveling
the same velocity.

With a bolt action there would be zero action sound of an automatic.
take a look at the attachment
Attached Thumbnails
_++44mag_girl3694.jpg  
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  #25  
Old 04-21-2010, 07:11 PM
WoofersInc WoofersInc is offline
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One thing I will always recommend for someone as their first suppressor is one in 22LR. This round will give you the most suppression. It is the cheapest and quietest way to get into the NFA world and see if you like it. It will also probably wind up being the one you use the most.

Some people are dissappointed if the first suppressor they hear is a centerfire pistol or rifle round. It does not have the "noise" they expect from what is seen on TV. After the 22's most agree that 9mm is going to be the next quietest. 45 will be somewhat louder because of the bore size allowing extra sound out. Although some are saying that the brand new SilencerCo Osprey in 45 is as quiet as 9mm if not quieter. Rifles rounds due to being supersonic are going to be loud still. My suppressed AR15 sounds like an unsuppressed 22lr using high velocity ammo.

Suppressors are a lot of fun and can get addicting. I am now up to 5 of them, with 3 being 22LR. The 22's get used the most becaues of the lack of sound and recoil. It makes them really usefull for training new shooters.
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