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10/16/2017 10:23:31 AM EDT
[#1]
Anyone have a source for 1.245" diameter cones?  I am thinking I could improve my suppressor performance by using 60 degree cones versus spacers as I have now.  The place I originally purchased from exited the business as one may imagine. Form 1 already approved in July!

Thanks!
"If you want to pray, pray before the fight, or pray after the fight. But when you are in the fight, you fight."
MSgt. Paul Howe (ret.)
10/16/2017 10:24:07 AM EDT
[Last Edit: mcnielsen][Edited] [#2]
Alternatively, I would consider trying to form my aluminum milled baffles/cups but I don't want to ruin them...  Anyone have experience with this?
"If you want to pray, pray before the fight, or pray after the fight. But when you are in the fight, you fight."
MSgt. Paul Howe (ret.)
10/31/2017 2:15:02 AM EDT
[Last Edit: jray02r1][Edited] [#3]
I'm almost done with my can.  Just got it back from being cerakoated.  I chose their hi-temp Tactical Gray color.  Now I have a few questions.

I am using a DM titanium 7.5" long 1.5" O.D. tube with 1.375" I.D.
DM titanium griffen adapter
DM titanium stepped coned end cap
I also have a 4" chunk of the DM titanium spacer material on hand.

My plan was to build a suppressor for shooting .308 out of a ar10, .308 bolt action, 8.5" 300blk ar15, and a 5.56 ar15.

I am planning on buying the Griffen 2 chamber brake for the 7.62 guns and the flash comp for the 5.56 guns.

I read a lot of these threads already and my question is on baffles.

I will be using titanium cones from zmachineworks in their 1.372" diameter.  From what I have read, it looks like I will need about a 2.4" spacer for my blast chamber.  The cones have a .67" skirt.  Without having the can in front of me to measure the endcaps and inner tube length,  it looks like I will be able to only fit 6 cones in the can and I will have to find a way to get rid of as much as .2" of excess play inside.  Should I be using something else for the first blast baffle?  Is this thing going to hold up to anything the guns I have listed will send out?  Shoild I go to a minimalist brake so I can add an extra baffle? Should I do the radial shaped or the normal cone shaped baffles from zmachine?
11/13/2017 2:40:36 PM EDT
[#4]
I've been using AR10 barrel nut shims to tighten up the baffle stack. They fit perfect in 1.5" OD tubes with a ID around 1.360"
11/15/2017 1:25:59 PM EDT
[Last Edit: wganz][Edited] [#5]
When I was winding down my job before the effective last day, I put everything into a MicroSoft OneNote document and zipped it up.
Hopefully, this torrent works. Never created a torrent before. Here is the 'Magnet URI.

magnet:?xt=urn:btih:F00C6C04A2286DA38BE4DAC7A3FEB27850AA00BD&dn=100Dollar_SuppressorBuild_has_PDF.zip&tr=udp%3a%2f%2ftracker.openbittorrent.com%3a80%2fannounce&tr=udp%3a%2f%2ftracker.publicbt.com%3a80%2fannounce&tr=udp%3a%2f%2ftracker.ccc.de%3a80%2fannounce

Now with google drive linkage:

https://drive.google.com/file/d/1433oLyTVBWqjutsT7_kUSQ17gLvsivgm/view?usp=sharing
Call the tune and let's dance; but beware that the devil is the piper and the tab for that soiree will be hell to pay.
Training&Trigger Time are more important than chasing a hardware Holy Grail
11/21/2017 3:34:36 AM EDT
[#6]
So I am new to this thread but I’ve read for a few hours now for knowlege... I know what I’m wanting to do might be received poorly by y’all but I really want to replicate the knights armament NT4 QDSS Suppressor. I have already used CAD programs and designed a model that would work but need some insight on constructing the blast baffles out of stainless rather than inconel like in the actual can. This will have to be a welded can so I need to make it out of baffles that will have some decent longevity on a 10.5” SBR. Thanks and I’m looking forward to sharing my progress on this thread in the future.
11/21/2017 11:00:22 AM EDT
[#7]


Ronin Pro solvent trap kit. The wait for the form 1 was about 11 months. They don't make solvent traps anymore.
...our lives, our fortunes, and our sacred honor
6/22/2018 4:37:23 PM EDT
[#8]
Just thought I'd keep this thread alive.
" I come in peace. I didn't bring artillery. But I'm pleading with you with tears in my eyes. If you fuck with me I will kill you all" Major General James Mattis, USMC speaking to Iraqi tribal leaders during the march to Baghdad, 2003
6/22/2018 7:45:46 PM EDT
[#9]
Quote History
Originally Posted By pdm:
Just thought I'd keep this thread alive.
View Quote
It's not going anywhere...it's set to not archive.
6/23/2018 4:03:19 PM EDT
[Last Edit: TescoVee][Edited] [#10]
Where are people buying endcaps these days?

ETA:  nevermind, I saw the thread
"History is replete with the sound of silken slippers going downstairs and wooden shoes coming up." -Voltaire
7/2/2023 6:57:13 AM EDT
[#11]
7/2/2023 8:27:16 PM EDT
[#12]
Holy necro-thread!
8/19/2025 7:03:52 AM EDT
[#13]
Quote History
Originally Posted By TescoVee:
Where are people buying endcaps these days?

ETA:  nevermind, I saw the thread
View Quote
SDTA is a good source
8/19/2025 7:37:47 AM EDT
[Last Edit: User55645][Edited] [#14]
Quote History
Originally Posted By ponykilr:
SDTA is a good source
View Quote

Pony, good for trying to help, but not only was that post from 7yrs ago, the user hasn't logged on for 3yrs.
Good laugh, though
And, yes, SDTA has some parts. Make sure to check the concentricity on the threading of whatever parts you do buy.
8/19/2025 3:22:16 PM EDT
[#15]
Quote History
Originally Posted By User55645:

Pony, good for trying to help, but not only was that post from 7yrs ago, the user hasn't logged on for 3yrs.
Good laugh, though
And, yes, SDTA has some parts. Make sure to check the concentricity on the threading of whatever parts you do buy.
View Quote

8/19/2025 5:09:41 PM EDT
[#16]
The whole thing is sad. I built one suppressor and got the stamp, wanted to do more, then everyone got scared of the ATF and supplies vanished.
Daddy loves you. Now go away.
Ruthless ruler of cubicle B300.2C.983
8/19/2025 5:14:08 PM EDT
[#17]
Quote History
Originally Posted By Zhukov:
The whole thing is sad. I built one suppressor and got the stamp, wanted to do more, then everyone got scared of the ATF and supplies vanished.
View Quote
There's still a few suppliers out there.
8/19/2025 5:16:50 PM EDT
[#18]
Quote History
Originally Posted By Zhukov:
The whole thing is sad. I built one suppressor and got the stamp, wanted to do more, then everyone got scared of the ATF and supplies vanished.
View Quote
Agreed, I got the threaten to kill my dog letter myself for buying from the dreaded raided place.
If some of you put this much fervor into your community or church, instead of arguing with people voting for the same politician, the world would be a much better place. -Skg_Mre_Lght
8/20/2025 11:03:44 PM EDT
[#19]
Quote History
Originally Posted By OG1:
Agreed, I got the threaten to kill my dog letter myself for buying from the dreaded raided place.
View Quote


I can't even think about all that without my anger at 'the customer service rep' boiling up as fresh as ever!
8/22/2025 3:32:37 PM EDT
[#20]
Quote History
Originally Posted By November5:
There's still a few suppliers out there.
View Quote View All Quotes
View All Quotes
Quote History
Originally Posted By November5:
Originally Posted By Zhukov:
The whole thing is sad. I built one suppressor and got the stamp, wanted to do more, then everyone got scared of the ATF and supplies vanished.
There's still a few suppliers out there.


ATF is also, still out there  
MGK
12/11/2025 11:25:46 AM EDT
[#21]
I'm in the same position.  I have an approved Form 1 for a .308 can of 8.6" in length... and don't even know where to get started with building it.
Tanker Toad and Drone Jockey
On the ground:
Iraq: 2004, 2008, 2021
Afghanistan: 2006, 2008, 2017, 2018, 2019, 2020
Horn of Africa: 2012-2013
12/14/2025 9:13:44 PM EDT
[Last Edit: bondo][Edited] [#22]
Quote History
Originally Posted By disco_jon75:
I'm in the same position.  I have an approved Form 1 for a .308 can of 8.6" in length... and don't even know where to get started with building it.
View Quote

https://www.silencertalk.com/forum/viewtopic.php?t=130461
12/15/2025 11:49:24 AM EDT
[#23]
Quote History
Originally Posted By disco_jon75:
I'm in the same position.  I have an approved Form 1 for a .308 can of 8.6" in length... and don't even know where to get started with building it.
View Quote



I've got 2 form 1's hanging out, I need to do something with
"Democracy is two wolves and a lamb voting on what to have for lunch. Liberty is a well-armed lamb contesting the vote."
12/15/2025 6:25:08 PM EDT
[#24]
Quote History
Originally Posted By bondo:

https://www.silencertalk.com/forum/viewtopic.php?t=130461
View Quote
I built one can with the formed plugs, bought the tool and a press. Problem is that it's almost impossible to find the components you need (thread adapter, end cap, tube, interior spacers). I guess I have my one suppressor that I built after buying a bunch of tools, and there won't be any others. I guess that's OK - I still spent less than buying one of the shelf and I learned something new.
Daddy loves you. Now go away.
Ruthless ruler of cubicle B300.2C.983
12/15/2025 7:04:10 PM EDT
[Last Edit: November5][Edited] [#25]
Check Form1.org, there's still a few active vendors.  Not as many as there used to be unfortunately.
12/15/2025 7:50:59 PM EDT
[#26]
Quote History
Originally Posted By disco_jon75:
I'm in the same position.  I have an approved Form 1 for a .308 can of 8.6" in length... and don't even know where to get started with building it.
View Quote


I believe you have 3 year to get a refund for items not built.  Did this myself several years ago.  At this point with all the options out there not worth messing with building.
12/16/2025 8:40:23 AM EDT
[Last Edit: User55645][Edited] [#27]
Quote History
Originally Posted By November5:
Check Form1.org, there's still a few active vendors.  Not as many as there used to be unfortunately.
View Quote View All Quotes
View All Quotes
Quote History
Originally Posted By November5:
Check Form1.org, there's still a few active vendors.  Not as many as there used to be unfortunately.

Listen to Josh. Form1.org is the place to find the information you seek.


Originally Posted By Wmcray:
At this point with all the options out there not worth messing with building.

I'm not sure how you can justify this. Do you mean only those w/o the knowledge and tools, and are relying on "solvent trap parts/kits"?
I can have a new, all titanium, centerfire suppressor made in under a week, for ~$200.
And, now that form1's will be free, I can justify making replacement parts as quick as forms are processing.
12/18/2025 12:53:09 PM EDT
[#28]
Quote History
Originally Posted By User55645:

I can have a new, all titanium, centerfire suppressor made in under a week, for ~$200.
View Quote



How?

Because I need three built.

.
12/19/2025 12:45:59 PM EDT
[Last Edit: User55645][Edited] [#29]
Quote History
Originally Posted By tucansam:
How?
Because I need three built.
View Quote

Tubing from tiger titanium or titanium Joe and drops of 6AL4V from ebay.
8/30/2026 12:22:00 PM EDT
[#30]
Are any of these suppliers still around in August 2026?
8/30/2026 3:31:28 PM EDT
[#31]
There are still some suppliers but nothing like there was. I hope the new ruling will slacken things up a bit. Look for solvent trap kits, or titanium fuel filters.
World ain't what it seems, is it Gunny?
8/30/2026 4:26:31 PM EDT
[#32]
Quote History
Originally Posted By lorazepam:
There are still some suppliers but nothing like there was. I hope the new ruling will slacken things up a bit. Look for solvent trap kits, or titanium fuel filters.
View Quote

8/30/2026 6:23:52 PM EDT
[#33]
Quote History
Originally Posted By Dominion21:
Are any of these suppliers still around in August 2026?
View Quote


Off the top of my head. There are more selling aluminum end caps and thread adapters on ebay and amazon  
https://sdtacticalarms.com/barrel-shrouds/
https://sdtacticalarms.com/mounts-and-adapters/
https://www.subzerosupply.com/
https://greymarketresearch.net/all-products/tools-and-toobs/
https://telloutfitters.com/
"Kid you're so lost, even I can't bring you home" - The North Star
9/1/2026 5:36:08 PM EDT
[#34]
Quote History
View Quote

Don't forget https://xrtengineered.com/shop/
9/1/2026 6:28:21 PM EDT
[#35]
There's Apex Flow Tech as well.
9/1/2026 6:36:17 PM EDT
[#36]
Quote History
Originally Posted By November5:
There's Apex Flow Tech as well.
View Quote


They have some very interesting looking flow separators!  
9/1/2026 7:02:27 PM EDT
[#37]
Nice, I just had 2 F1 silencers approved recently.   I plan to use titanium and aluminum tubes and 3d print a high flow monocore insert.
9/11/2026 12:33:51 PM EDT
[Last Edit: Bravo_Six][Edited] [#38]
Quote History
View Quote


Warning: do not use sub zero stuff!

They use a threaded insert in their tubes that appears to have been glued in.  It lasted 3 shots.  I'm very lucky I found the rest of it down range.


ETA: FWIW, sub zero responded quickly and is sending me a replacement.  They say a new guy over-bored some tubes then welded in the inserts.  They said it only happened with 5.5x1.625 tubes and that they caught most of them before they got out to the public.

ETA 2: I just checked a 6.5" tube that I bought from them but haven't finished.  If that has a welded or glued insert, they did a really good job blending it.  It looks solid to me.  I think that their story about the new guy is probably the truth.

ETA 3: just adding this to be fair to SZ since I was really pissed off when I initially posted.  SZ has already sent me a tracking number for a new tube engraved with my info.  I can say without doubt that they have excellent CS.  Assuming that the new tube is one piece like it should be, I am happy with the resolution.  


Attached File
9/12/2026 2:19:39 PM EDT
[Last Edit: Zhukov][Edited] [#39]
SDTAC has a few things for those of us that built D-tube suppressors:

1) They sell muzzle brakes that has the thread pattern used with their mounts. I almost ordered some.


2) The reason I didn't is because they also sell mount adapters that convert the internal D-cell thread (1.4375x20) to Plan B:



That allows me to use my old can with the new Plan B muzzle devices.

I wouldn't mind building another can as I still have the press to convert freeze plugs into cones, but it looks like that ship has sailed...
Daddy loves you. Now go away.
Ruthless ruler of cubicle B300.2C.983
9/18/2026 5:47:55 PM EDT
[#40]
Quote History
Originally Posted By Zhukov:
SDTAC has a few things for those of us that built D-tube suppressors:

1) They sell muzzle brakes that has the thread pattern used with their mounts. I almost ordered some.
https://cdn11.bigcommerce.com/s-bfxtezjgif/images/stencil/640w/products/116/404/micro_brake__68595.1738890504.png?c=1

2) The reason I didn't is because they also sell mount adapters that convert the internal D-cell thread (1.4375x20) to Plan B:

https://cdn11.bigcommerce.com/s-bfxtezjgif/images/stencil/640w/products/81/511/thumbnail_883CC738-D176-41A6-8CC9-0E9C6C33FBFB__33040.1758821996.png?c=1

That allows me to use my old can with the new Plan B muzzle devices.

I wouldn't mind building another can as I still have the press to convert freeze plugs into cones, but it looks like that ship has sailed...
View Quote

@Zhukov Why do you say that ship has sailed?
I don't know what will happen, or if anything will happen. But if something does, I'd rather be the guy with a gun than the guy without one.

Everyone please read this carefully. Eric802 is correct. - DK-Prof, 1/27/15
9/19/2026 10:31:42 AM EDT
[#41]
Quote History
Originally Posted By Eric802:

@Zhukov Why do you say that ship has sailed?
View Quote
It just seems like there's hardly anything to find anymore. Maybe I'm not looking hard enough...
Daddy loves you. Now go away.
Ruthless ruler of cubicle B300.2C.983
9/19/2026 10:58:09 AM EDT
[#42]
Quote History
Originally Posted By Zhukov:
It just seems like there's hardly anything to find anymore. Maybe I'm not looking hard enough...
View Quote

If you are looking for forming dies, I have heard good reports on this place (all the way at the bottom of the page)

https://greymarketresearch.net/all-products/tools-and-toobs/
Yesterday 3:24:09 PM EDT
[#43]
Looks like there are enough components out there to continue building stuff. I may have to do one more down the road...
Daddy loves you. Now go away.
Ruthless ruler of cubicle B300.2C.983
Yesterday 4:01:11 PM EDT
[Last Edit: Eric802][Edited] [#44]
I would think with the favorable court rulings and the general direction things seem to be heading, that manufacturers might start picking up on the production of tubes, undrilled baffles, etc.. Salad days coming again?
I don't know what will happen, or if anything will happen. But if something does, I'd rather be the guy with a gun than the guy without one.

Everyone please read this carefully. Eric802 is correct. - DK-Prof, 1/27/15
Yesterday 4:40:35 PM EDT
[#45]
Quote History
Originally Posted By Eric802:
I would think with the favorable court rulings and the general direction things seem to be heading, that manufacturers might start picking up on the production of tubes, undrilled baffles, etc.. Salad days coming again?
View Quote

I can only imagine
Yesterday 5:13:26 PM EDT
[#46]
Quote History
Originally Posted By Eric802:
I would think with the favorable court rulings and the general direction things seem to be heading, that manufacturers might start picking up on the production of tubes, undrilled baffles, etc.. Salad days coming again?
View Quote
A lot of the suppliers made the jump to Form 4

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