The Firing Line Forums

Go Back   The Firing Line Forums > The Hide > NFA Guns and Gear

Reply
 
Thread Tools
Old January 18, 2013, 12:05 PM   #1
Pond, James Pond
Senior Member
 
Join Date: July 12, 2011
Location: Top of the Baltic stack
Posts: 2,983
Extra suppression?

Whe I bought my .22 suppressor I had a choice of some more expensive Swedish or Danish options, or a very reasonalby priced home-made option, sold by my shooting clubs owner.

It does a perfectly good job, but I'd be happy if it did it that bit more. So I'd like to know if this would make any difference or not.

My silencer is dismantleable. You need to unscrew the end that is threaded for the barrel.

Once removed, one can slide out about six cylindrical compartments.

Imagine a small cylinder, as wide as is the internal diameter of the suppressor body, hollow and having a .22 hole in the centre of the ends.

Now imagine that it is under an inch long, and totally open at one end with the .22 sized aperture only at the other.

These are stacked in the suppressor closed end to open end.

My idea is to loosely stuff the cavity formed by each of these clylinders with the scrunchy metal material that you can buy for scrubbing pots and pans. Needless to say the bullet path would be kept clear.

Would this stuffing muffle sound further or would escaping sound from the bolt/slide area make such a chnage futile?
__________________
You cannot wake someone who is pretending to sleep. Stop pretending. Wake up.
Freedom: Please enjoy responsibly.
Pond, James Pond is offline  
Old January 18, 2013, 01:13 PM   #2
johnwilliamson062
Senior Member
 
Join Date: May 16, 2008
Posts: 6,817
I am guessing this should be in NFA, but I understand why you wouldn't realize that since NFA is a US law. You may get more/better info in that section.

I don't think that will help much. That metal is just going to take up volume in the suppressor and that will affect the ability of the gas to expand and reduce the effect. I don't think they will act as wipes. YOu could try adding a single wipe to the end. Has anyone tried that "self-healing" target material for wipes?
A wet suppressor will work better than a dry one. Of course, an obstructed suppressor will not work at all.
__________________
$0 of an NRA membership goes to legislative action or court battles. Not a dime. Only money contributed to the NRA-ILA or NRA-PVF. You could just donate to the Second Amendment Foundation
First Shotgun Thread First Rifle Thread First Pistol Thread
johnwilliamson062 is offline  
Old January 18, 2013, 01:40 PM   #3
Pond, James Pond
Senior Member
 
Join Date: July 12, 2011
Location: Top of the Baltic stack
Posts: 2,983
Quote:
I don't think that will help much.
That is a shame.

I had thought, in my highly scientific fashion, that it would work in the same way that if I stick a cardboard box on my head and scream, it is louder than if I do the same with a cardboard box full of cotton wool...

Clearly, there may be more to it.
__________________
You cannot wake someone who is pretending to sleep. Stop pretending. Wake up.
Freedom: Please enjoy responsibly.
Pond, James Pond is offline  
Old January 18, 2013, 02:05 PM   #4
johnwilliamson062
Senior Member
 
Join Date: May 16, 2008
Posts: 6,817
Pond, I read up on it from a reliable scientific source, wikipedia, and there are some claims it will work.

Thinking about sound absorbtion, cotton acts much differently than steel. Steel wool takes you closer to cotton, but it seems to me like it would not absorb much sound at all. I was thinking paper from a shredder, but that has obvious problems.

I would also worry about fibers getting in the path of the bullet and causing damage to the suppressor.
__________________
$0 of an NRA membership goes to legislative action or court battles. Not a dime. Only money contributed to the NRA-ILA or NRA-PVF. You could just donate to the Second Amendment Foundation
First Shotgun Thread First Rifle Thread First Pistol Thread
johnwilliamson062 is offline  
Old January 18, 2013, 02:22 PM   #5
Brian Pfleuger
Staff
 
Join Date: June 25, 2008
Location: Central, Southern NY, USA
Posts: 18,791
Let's take a ride to the NFA forum....

There we go! Landed so soft you never knew we were moving.
__________________
Still happily answering to the call-sign Peetza.
---
The problem, as you so eloquently put it, is choice.
-The Architect
-----
He is no fool who gives what he can not keep to gain what he can not lose.
-Jim Eliott, paraphrasing Philip Henry.
Brian Pfleuger is offline  
Old January 18, 2013, 02:46 PM   #6
ohen cepel
Senior Member
 
Join Date: November 20, 1999
Location: Where they send me
Posts: 1,013
I would try wire pulling gel or water before I put other material into the suppressor.

If I was going to put other stuff into it make sure it doesn't/can't move around. Maybe a thin layer of spray foam insulation. I would worry about some of the metal you're talking about moving around and possibly causing a bullet strike.

Sounds like you're in a place where it's easy to buy so I think I would do the gel and if that didn't work I would buy a better one :-)

A different host or ammo may also be quieter and worth thinking about.
__________________
He who dares wins.

NRA Life Benefactor Member
ohen cepel is offline  
Old January 18, 2013, 03:32 PM   #7
Lark
Senior Member
 
Join Date: November 28, 2012
Location: Western WA
Posts: 118
I think adding any more material will not aid in suppression much at all. Using subsonic ammo and/or a bolt action rifle instead of a semi-auto would help much more.

lark
__________________
Lark is free!
Lark is offline  
Old January 18, 2013, 04:06 PM   #8
alex0535
Senior Member
 
Join Date: November 4, 2012
Location: Georgia
Posts: 781
Consider using subsonic .22s, it will make it about as quiet as a pellet gun.

If you are using a semi automatic, the action of the bolt and the bullets hitting the target will be the majority of what you are hearing.

If you want to go quieter, get a bolt action .22 with a threaded barrel and shoot subsonic long rifles out of it. You will hear the click of the firing pin being struck and the impact of bullet on target.

I know this because with subsonic .22s I can hear the hammer fall on my Henry .22 and the impact on the target. If this were any quieter it would be about as quiet as an air rifle.
alex0535 is offline  
Old January 18, 2013, 04:21 PM   #9
Pond, James Pond
Senior Member
 
Join Date: July 12, 2011
Location: Top of the Baltic stack
Posts: 2,983
Thank you, Brian, for that smoothest of landings!!

For those who are interested, this is the stuff I was thinking of using:



Not the ballistic, tactical, super-duper space-age materials on the market, but it is stainless and tough, but still has decent air-spaces!

Wot-ya-reckon?
__________________
You cannot wake someone who is pretending to sleep. Stop pretending. Wake up.
Freedom: Please enjoy responsibly.
Pond, James Pond is offline  
Old January 18, 2013, 04:55 PM   #10
alex0535
Senior Member
 
Join Date: November 4, 2012
Location: Georgia
Posts: 781
Have you considered using kevlar?

Its like fiberglass on steroids. It should be a noise insulator, handles heat well, relatively light. Its available in fabric, rope, and wick material.

I think a kevlar rope with an armid or fiberglass core would work rather well.

If you would like to be directed to where you can purchase this type of rope by the foot for $0.75-$4 a foot depending on the diameter from 1/4"-1" pm me.

Its sort of the space age material I would pick for trying something like this.
alex0535 is offline  
Old January 18, 2013, 07:52 PM   #11
Willie Lowman
Senior Member
 
Join Date: March 5, 2009
Location: Uh-Hi-O
Posts: 2,428
Pond, why don't you give it a try and tell us how it worked?

Are you allowed to make new baffles for your silencer? That would be your best bet.
Willie Lowman is offline  
Old January 19, 2013, 04:03 AM   #12
Pond, James Pond
Senior Member
 
Join Date: July 12, 2011
Location: Top of the Baltic stack
Posts: 2,983
Quote:
Pond, why don't you give it a try and tell us how it worked?

Are you allowed to make new baffles for your silencer? That would be your best bet.
I suppose that would the surest way of getting results!! However, I don't see myself getting round to actually trying it out for a little while so you'll need to sit tight for results.

As for the baffles: I'm allowed to, but probably not able to!
__________________
You cannot wake someone who is pretending to sleep. Stop pretending. Wake up.
Freedom: Please enjoy responsibly.
Pond, James Pond is offline  
Reply

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -5. The time now is 08:30 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
This site and contents, including all posts, Copyright © 1998-2014 S.W.A.T. Magazine
Copyright Complaints: Please direct DMCA Takedown Notices to the registered agent: thefiringline.com
Contact Us
Page generated in 0.08530 seconds with 9 queries