Great opportunity for a general shop project. Spend some time turning something like this with solid bronze resting points: http://www.practicalmachinist.com/vb/attachments/f38/82721d1375568823-steady-rest-design-questions-steadyleft.jpg Into something like this with bearings: http://www.toolsandmod...

It's 941.26-3 that states the prohibition on machine guns does not apply to people "duly authorized by chief of police...." Prior to JB Van Hollen's term as AG, that was interpreted to mean that the CLEO signoff on the Form 4 was sufficient to show authorization. Van Hollen's opinion was t...

I would disagree that this affects Form 1 can builders on the following two points: 1. While silencers are "firearms" according to the GCA, the ruling goes and defines "firearms" for the purpose of the ruling as, paraphrasing, "...designed to expel a projectile by..." w...

Is there a cam in your 3 lug setup or is that what the spring is for? Axial retention on both the baffles and the mount?

My form 1 was approved a little bit ago, and i have been practicing on threading on my lathe. I have the external threads down, but i have really struggled bad with internal threads. Seeing as how this will not be the last suppressor i build, i decided to abandon the whole making it serviceable and...

There is that "patented baffle" that you would need to work around. Sure, you can take it apart yourself. You are still into the $200 F1 paperwork. 5x the costs? I know what it costs to make a Trident if you do a large run of them and I will tell you that the 5x margin is not there. Maybe...

Well, I certainly don't intend to cause any distress to the forum over IP. And given that there are recent patents on things that could be construed as K baffles, Cone baffles, K-Cone hybrids, Monocores, etc, I'll just keep my projects to myself and off line.

Or you could just buy a Trident and have someone jailbreak it for you. Even if I did want to wait for a paper form and spend 5x as much, why wouldn't I crack it open myself? I have zero interest in purchasing cans, dealing with SOTs I don't know, or driving halfway across the state to deal with the...

Ok. Last rev I think. Did some more looking at Omega baffles. This representation is 8.47" long, 12 oz, with 17-4 SST Omega baffles, SST piston, everything else 6061 or 7075 aluminum. Baffles are .040" thick except at the top hat, those are .062". I would cut the SST bar into 1.25x1.2...

Now, I completely understand "extra" silencer parts and that is somewhat akin to having an SBR AR15 upper laying around with a regular, Title 1 AR lower also laying around, and no "pistol" or registered lower. Just to be clear, concerning SBR's: This is covered by "US vs Th...

I thought that used to be the case. How was it abused?

Port size and quantity is something you would have to determine based on what your overall goal of the project is. Finished OAL, how much back bore in the barrel, how your device disassembles for cleaning, etc. I also wouldn't want a barrel length that would keep regular .44 ammunition subsonic, sin...

With a form 1 do i have to decide what type of baffle i want to replace them with or can i experiment with different types and mixes? You can NOT experiment with a Form1, you are giving the ability to make 1 can, you can't replace broken parts, try new stacks nothing. This is why so many Form1 cans...

Screw it. People seem to like the Octane. I'll just do something similar. Less work than Ks anyway, no manual turning just CNC milling.


10 oz. 8.3" OAL. All aluminum.

Thats exactly what I planned to do.

I tied to calculate air volume with Inventor but if it's possible I can't figure out how. I think I can figure it out longhand however.

Ok, changed the angle, which made them longer. Extended a sleeve from the barrel/mount end .500" to space the first baffle out, modified the muzzle end cap so it's flat, and if I modify 1 K baffle on the cone end it will insert inside that. But then I'm down to 6 baffles at the same 8.5" O...

Thanks gunny. Here's the updated version. Trying to take all suggestions into account. All aluminum now (steel booster). Projected 11 oz weight. Baffles all have .060" walls. Added 5 degree taper to base wall. .030" radius to cone/base junction. Cone is 50 degrees. Stuffed 8 into 8.5"...

Thanks CMV, that's exactly the kind of feed back I was hoping for. 1-2: I modeled the K from pictures. I didn't understand the point of a taper on the base, but I do understand a radius. I will redraw based on your suggestions. Yes, it's .250, I can bump to .375. 3. I will single point bore it. 4. T...

Ok, perfect. Thanks guys.

So the cup point of the set screw interfaces with the radial cuts on the flange of the booster? Isn't there a danger of it indexing during cycling and not returning to the correct orientation? How much linear travel is there typically?

That's what I couldn't ascertain from googling.

Crap I just realized those dowels will not leave clearance for a spring.

I've never actually seen one of these in person. How do they typically prevent the suppressor from just spinning around on the booster?

Please review/critique my design for a 9mm, boosted suppressor. Currently modeled to have 7075 aluminum K baffles, titanium tube (0.045 wall after machining), titanium booster assembly/endcap and an aluminum muzzle endcap. Stainless steel booster. More views and/or detail available. I'm not showing ...

No reason not to thread. If you can thread stainless you can thread Ti.

Drilling Ti is a bitch. Single point turning and other free cutting operations are no problem.

snip Kuraki The addition of or the removal of weight can affect harmonics of a barrel you need to determine which.If your gun was .6 and now 1.5 did any other work in between happen like threading the barrel.When you remove material from the muzzle the bore will flare affecting accuracy.If it was t...