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What is an airgun shroud? 
PostPosted: Thu Jan 07, 2010 9:55 pm Reply with quote
T191032
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I've yet to see a good explanation, at least anything definitive, to explain to me what a Shroud does, and the difference between it and a sound suppressor. So, could someone help to enlighten me about Shrouds for Air guns, please.

Thanks.
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PostPosted: Thu Jan 07, 2010 10:12 pm Reply with quote
donec
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I think a shroud covers the barrel ending at the tip of the barrel and a silencer extends length the barrel (but not the rifling) with a sound absorbing design tube. I really don't know and hope those that do will correct me if I am wrong.
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PostPosted: Thu Jan 07, 2010 10:50 pm Reply with quote
kanyon
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Theres really 2 types...
The one for pose appeal... Rolling Eyes
& the one that containes some sort of
silencer... Smile
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PostPosted: Thu Jan 07, 2010 10:54 pm Reply with quote
sniper
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as with shrouded silenced pcp's. the shroud contains baffles which absorb the sound of the shot and dissapate the spent air...technically a "silencer" Twisted Evil

ppppfffftttt.

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PostPosted: Fri Jan 08, 2010 12:43 am Reply with quote
Teryx
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"shroud" is a euphamistic code for a device that must not be mentioned. It is legal, but so close to the line that one could spit over it. It's close enough that anyone attempting to build their own "shroud" without the prior approval of the "bureau of shrouds" could end up in some serious legal trouble. My guess is that the manufacturers like Crosman submit their designs for preapproval to avoid such problems.

signed,
Anonymous
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PostPosted: Fri Jan 08, 2010 4:28 am Reply with quote
Alstone
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A shroud the finishes at the end of the barrel is used to add support to a thin barrel, for it to be a silencer it must extend beyond the barrel by quite a few inches, so that any gas coming out of the barrel is directed back between the barrel and shroud, this adds volume to a silencer with out increasing the length by to much. Plus they are also used as Pete says for “pose appeal”. Mr. Green

Don’t get to paranoid about “shrouds” or “silencers” as there is a US web site devoted to them.

http://www.shootersdepot.com.

It seems to me that a lot of the “muzzle brake’s” sold in North America are pretty close to being mufflers?

Why don’t all you guys over there get together and ask for the law regarding silencers to be lifted for airguns, on the grounds of health and safety, and for a quieter life? Smile

Al

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PostPosted: Fri Jan 08, 2010 12:45 pm Reply with quote
dogon1013
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Alstone wrote:
....
Why don’t all you guys over there get together and ask for the law regarding silencers to be lifted for airguns, on the grounds of health and safety, and for a quieter life? Smile

Al


There is no law against silencers for airguns, only a law against silencers for firearms.

The problem is, you can make a silencer for an airgun that will fit on a firearm, and this would be an illegal silencer unless it was registered correctly. This muddying of the line makes people overly cautious, even though the wording of the law is quite clear...If it can be put on a firearm, it's a firearm silencer. It's that simple. No need to submit it to any government agency for approval.

"Shroud" is just a barrel covering... But lots of shrouds for airguns also have baffles that muffle the airgun sound. If the shroud is built into the airgun, it can't be removed and put on a firearm, therefore it is perfectly legal. This is how crosman and others sell muffled airguns (Like the marauder).

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PostPosted: Fri Jan 08, 2010 1:45 pm Reply with quote
Teryx
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Actually the wording of the law is not clear at all. The law also states that you cannot build any components for a firearm silencer without a valid BATF stamp. If you machine out a set of baffles for an airgun "shroud" it is entirely at the descretion of law enforcement whether that was your intent or not. If LE decides to cite you just to be safe, you will be sent to legal hell whether you are guilty or not. You may very likely be acquited after spending several thousand dollars in legal fees. It is also entirely at the descretion of LE what constitutes a silencer that could be adapted to firearm use. Most LE's on the street really don't know the details of the law so they could easily cite you incorrectly. Anytime you enter the legal system, you pay a heavy price. Guilty or not. I almost got cited once for having an illegal shotgun because the sheriff deputies didn't know how to properly measure the barrel! I had to show THEM how to measure it. These are Federal violation we are talking here, and there are no minor scrapes. Anyone who isn't cautious is foolish.

I can also say for a fact that manufacturers of flash suppressors that have models that enclose muzzle gases DO get prior BATF approval before they market those devices. They do it just to sure that the device does not randomly get pegged as "class 3". That is why I surmised that Crosman and others probably did as well.

Teryx
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PostPosted: Fri Jan 08, 2010 2:05 pm Reply with quote
Alstone
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A couple of guys on here have BATF certificates which they got with ouy any problems, the only thing was the $200 cost.

Al

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PostPosted: Fri Jan 08, 2010 2:30 pm Reply with quote
Teryx
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Yea, unless you are on a list (IE felon, mental, or domestic abuse stamped) it's just a matter of filling out the form and paying the fee. I believe you have to get local LE approval on the form unless that has changed, but generally you won't be denied. The danger is in believing that you are protected by the airgun expemption and don't need it. That is a a very gray area. That's why some airgun forums don't even allow discussions about them. Of course if you buy a manufactured gun like the Mrod, where the manufacturer has undoubtedly crossed all the Ts, you have nothing to worry about. I also like the fact that the Mrod shroud doesn't look like a "can". It just leaves less to go wrong.
Teryx
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PostPosted: Fri Jan 08, 2010 5:25 pm Reply with quote
kanyon
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Teryx wrote:
"shroud" is a euphamistic code for a device that must not be mentioned. It is legal, but so close to the line that one could spit over it. It's close enough that anyone attempting to build their own "shroud" without the prior approval of the "bureau of shrouds" could end up in some serious legal trouble. My guess is that the manufacturers like Crosman submit their designs for preapproval to avoid such problems.

signed,
Anonymous


Yer Ok..This is a international forum..
not all country's have restrictions on silencer
I can take my shroud/silencer into to cop shop to
show them how cool it looks on my gun.
And thay can't do anything.....

Pete
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PostPosted: Fri Jan 08, 2010 9:54 pm Reply with quote
dogon1013
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Teryx wrote:
Actually the wording of the law is not clear at all. The law also states that you cannot build any components for a firearm silencer without a valid BATF stamp. If you machine out a set of baffles for an airgun "shroud" it is entirely at the descretion of law enforcement whether that was your intent or not. ...

Teryx


The wording of the definition is clear, the scope of it is not.


Tennis balls can be adapted to be a firearms silencer by simply slitting into one side, and slipping it onto a barrel of a firearm. Yet you can buy them in 3 packs at wal-mart.


The threat of arrest is always there...even if you buy tennis balls. but It is not realistic to believe tennis balls will get you arrested. Yes the Law enforcement officer has the discretion to arrest or not, but the definition of a firearm silencer is clear in the law. it has to be readily attachable to a firearm.

Crosman likely does get pre-approval, which is good, because that means the way they build there shrouds is legal. The trick is to make it part of the airgun, then it cannot be attached to a firearm. There was an ATF letter to that effect, I will see if I still have it.

the issue of "firearm silencer part" you mention is moot, since it is based on the definition of "firearm silencer" and specifically states the parts must be "designed and intended for use in a firearm silencer" If the part you make is not designed or intended for a firearm silencer, then it cannot be a firearm silencer part....A washer you can buy at the hardware store is not a firearm silencer part. It's just a washer since it is not designed or intended for a firearm silencer.

But yes, this is an international forum, so perhaps we should start a new thread specifically about American laws regarding "shrouds"

Of course I am no lawyer (just someone who has dealt with the ATF before), so individuals must decide for themselves how much perceived risk they are willing to live with. I still believe that following the design of a current mass-produced and legally sold shroud is the safest method. There are plenty of pictures of how the crosman marauders shroud is done. following that design (which is how many other airgun companies do it too) is the safest IMHO.

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PostPosted: Fri Jan 08, 2010 10:07 pm Reply with quote
dogon1013
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BTW

I found the exact wording of the NFA definition of silencer here (scroll down to #24) : http://law.onecle.com/uscode/18/921.html

quoted:

(24) The terms "firearm silencer" and "firearm muffler" mean any device for silencing, muffling, or diminishing the report of a portable firearm, including any combination of parts, designed or redesigned, and intended for use in assembling or fabricating a firearm silencer or firearm muffler, and any part intended only for use in such assembly or fabrication.


A tennis ball is clearly not designed for "silencing...a portable firearm", and neither is a shroud that is an integral part of an airgun (Like crosmans marauder, and others). Of course if you have something that can easily be attached onto a firearm with the simple turn of a screw, then the argument can clearly be made that it is designed for a firearm, and you can get into trouble.

I read about a guy who was illegally making silencers that were clearly designed for a firearm, but he sold them as airgun silencers, and even only sold them threaded onto an airgun when he shipped them. The ATF saw thru this and arrested him. These were clearly not designed for airguns, and this is why the ATF warns against stuff like that.

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PostPosted: Fri Jan 08, 2010 10:49 pm Reply with quote
Teryx
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If you think having washers or a tennis ball is the same as having machined baffles or other components in your possesion that's fine. I'm sure the officers will understand your argument and bid you good day. I'm not trying to convince you, or anyone, of anything. Truth is, I don't really care who goes to jail Laughing . I only care whether I go to jail, so that's all I have to say on the subject.
Teryx
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PostPosted: Fri Jan 08, 2010 11:04 pm Reply with quote
sniper
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ya'll are bringin' out my inner-redneck. Laughing

it's happened before here. Shocked

my dream gun: ruger 10/22 silenced- 16 inch-volquarsten barrel
shilen trigger. laminate stock.

won't happen. this is land of the free and home of the brave. Rolling Eyes

oops. Thread Hijacked

have i said before how silent the m-rod is? Mr. Green

ping-pppfffttt....THWAP. Cool

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What is an airgun shroud? 
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