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AR15.COM
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8/23/2010 9:31:25 AM EDT
Toying with the idea of building a suppressor within the next few months.... Would be for a precision rifle.



I'm wondering what type of baffle is best for precision work?  I don't want to screw up the bullet's flight path - although I realize that's next to impossible with a can on a gun.  The can will be made of titanium to save as much weight as possible on the end of a 20" ar15.....
8/23/2010 11:13:02 AM EDT
[#1]
You don't need to use titanium for light weight.  Smart design is a better route.  Titanium has some less than desireable properties when used in a suppressor.



For maximum accuracy potential the baffles should be totally symmetrical around the bore.
8/23/2010 11:48:40 AM EDT
[#2]
Stepped cone baffles.  1.5" OD x 6-8" OAL should yield a decent design without a lot of weight (i.e. no more than 12-8 ounces (Ti) or 20-30 ounces(ss)).  Stainless steel would be easier to work with than titanium and cheaper for tooling.  I've got plans to roll my own in the next year or two and would be interested in how yours turns out.

Edit: You should check out silencertalk.com - in the forums there is one named "silencersmithing forum."  I'd highly suggest checking it out - it's a wealth of information.

-John
8/23/2010 12:01:08 PM EDT
[#3]
fluted cones or stepped cones would be your best bet

also check out the SilencerSmithing section here: http://www.silencertalk.com/forum/viewforum.php?f=10&start=0
8/23/2010 5:06:19 PM EDT
[#4]



Quoted:


Stepped cone baffles.  1.5" OD x 6-8" OAL should yield a decent design without a lot of weight (i.e. no more than 12-8 ounces (Ti) or 20-30 ounces(ss)).  Stainless steel would be easier to work with than titanium and cheaper for tooling.  I've got plans to roll my own in the next year or two and would be interested in how yours turns out.



Edit: You should check out silencertalk.com - in the forums there is one named "silencersmithing forum."  I'd highly suggest checking it out - it's a wealth of information.



-John


If I ended up making it out of stainless, how thick would the tube and baffles need to be to handle the pressure without issues?



 
8/23/2010 7:19:53 PM EDT
[#5]
I made two out of 4130 steel .035" thick 1.5" tubing.  One with K baffles, the other with cones.  The blast baffle is a cone .070" thick and the rest are about .030" thick.  I will try step cones next.  The cans mounts on a muzzle brake with 13/16-20 threads.



Ranb
8/23/2010 9:44:19 PM EDT
[#6]
How do the K-baffles compare to the conical baffles sound wise in your cans?
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