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7/21/2026 4:31:43 PM EDT
I am not familiar with 9mm cans and everything required to mount up to a 7" CZ Scorpion. I'm looking for suggestions. Budget is under $1K OTD.
7/21/2026 4:34:07 PM EDT
[Last Edit: PC-Tech][Edited] [#1]
I'm thinking of going with the OCL Milkman, But the CAT MOB is also in play.
7/21/2026 4:36:50 PM EDT
[#2]
I've been chewing on a YHM R9 or a Rugged Obsidian 9 for mine
"I do not love the bright sword for its sharpness, nor the arrow for its swiftness, nor the warrior for his glory. I love only that which they defend."
7/21/2026 4:38:24 PM EDT
[Last Edit: Hanz][Edited] [#3]
I bought an Exigent Defense RICO309 for my MP5 clone. With supers it's really good, very nice tone. With subs, it's stupid quiet.  It's on the large side, but it's not heavy. It also has wrench flats if you ever need them.

ETA:
I had a YHM R9 on this gun before the RICO309. The RICO309 is good bit quieter and A LOT less back pressure. The RICO doesn't spit back at me.

edited for clarity
Know Guns, Know Peace, Know Safety...No Guns, No Peace, No Safety
7/21/2026 5:20:19 PM EDT
[#4]
I have a Gemtech Lunar 9.  It works pretty good and has the added benefit that it is modular and can be put on various semi auto pistols or fixed barrel guns.
7/21/2026 6:35:57 PM EDT
[#5]
Assume you are talking about the direct blowback CZ Scorpion?  Ideally, you want a low backpressure can for the gas side there is no delay mechanism.  The CAT MOB is very good, although you’ll probably be over $1K if sales tax is figured in.  The OCL Milkman is also good, although it doesn’t come with any adapter, so you’ll need to buy a HUB adapter on top of the can.  The Rugged SUB9 is nicely priced for modern subgun can, and comes with a great 3-lug adapter.  Even with sales tax and buying a 3 lug muzzle device, you’ll be under $1K.  The DA Wolfman is good for suppression, but it’s an older high backpressure can, so expect gas and a little more recoil than with a low backpressure can.  The Huxwrx 9K Ti is good on price, light weight, and very low backpressure, but no great on sound.  If you consider the Mojave 9, I’d look at the RXD910ti, which is basically the same can, but a larger diameter, lower price, but you lose the modularity.  That’s what I’m currently running on my Scorpion.
7/21/2026 6:52:40 PM EDT
[#6]
I have a 3 lug from HB industries on my Scorpion and I'll use a rugged obsidian 45 on it, but haven't actually shot it yet.
It's not low back pressure so probably is not the best option but it's the pistol can I have.

Your boos mean nothing, I've seen what makes you cheer
7/21/2026 10:29:16 PM EDT
[#7]
The cat mob is excellent but be aware it's pretty large. It basically turns your scorpion from a pdw to a carbine. Worth it to me but something to factor in. The weight isn't bad though.


7/21/2026 10:37:14 PM EDT
[#8]
Rexsilentium MG7K.358 can is what i’ve been running on my Scorpion for two years now.  I run it in matches at least once a month.  

It can be direct threaded on the 1/2x28 barrel threads.  I’m running mine with Rearden Atlas and RC2.  

I think it sounds great and most bystanders comment how quiet it is.   It sounds nice with supers and is giggle quiet with subs.  You know what giggle quiet means.  

Yes its direct blowback with a traditional baffle can but i dont notice any excessive gas or recoil.  It is a 9mm shooting off your shoulder after all.

I got the Rex can during one of the sale periods.  Something like 30% off.  Less than $500 otd.  There are sites that regularly have Rex codes for discounted prices.
7/21/2026 10:49:57 PM EDT
[#9]
I use my old school SilCo Octane 45HD across my MP5, AR9, Scorpion, several Glocks (9mm and .45) and used to use it on a Berette CX Storm 9mm till I traded it off, to fund another build.  

The Octane has multiple modular adapters (trilug, Nielson Devices and direct thread) so it fits so many of my hosts.
LARUEMINATI
NRA Endowment Life Member
Originally Posted By Boom_Stick:
""AKs are for villagers you have to tell not to shit in their water supply.""
7/21/2026 10:55:39 PM EDT
[Last Edit: willi3d][Edited] [#10]
In my experience, shooting an older conventional backpressure can on a Scorpion seems fine, until you try it with a new modern low backpressure can.  I bought the Wolfman when it first came out, and thought it was OK because that how cans were back in 2019 when I bought it.  But after getting a CAT MOB last year, and shooting both cans back to back on the Scorpion, I’m not going back to high backpressure cans on a direct blowback.

Just to add, I’m talking about these cans from a subgun/PCC use case, not as a can to also use on conventional pistols.  YMMV.
7/22/2026 6:28:04 AM EDT
[#11]
Quote History
Originally Posted By GreenMushroom:The cat mob is excellent but be aware it's pretty large.
View Quote
If one wants almost Mob quiet, but short, get a Tisha. IME, the Mob, Tisha, Sub9, and CT9KS (now Shaw Mk9) are all sufficiently quiet on multiple hosts, whereas the Lithium, Wolfman short, and Omega 9k are not.
7/22/2026 6:58:59 AM EDT
[#12]
My sub9 is the quietest I own and it is a great deal for what you get. I agree that the O9k is lacking in sound reductiuon. I also have a Strake 9. Lower backpressure but not as quiet.
7/22/2026 11:20:50 PM EDT
[Last Edit: alpha0815][Edited] [#13]
CAT MOB or B&T SQD Print-X
You think you're winning this game? You don't even know the God-damned rules. But don't worry, I'm gonna teach 'em to ya..
7/23/2026 3:44:29 AM EDT
[#14]
Mojave 9...its the best imo and you can go short/long depending on preference.
7/23/2026 3:52:04 AM EDT
[#15]
Quote History
Originally Posted By CJofFL:
If one wants almost Mob quiet, but short, get a Tisha. IME, the Mob, Tisha, Sub9, and CT9KS (now Shaw Mk9) are all sufficiently quiet on multiple hosts, whereas the Lithium, Wolfman short, and Omega 9k are not.
View Quote View All Quotes
View All Quotes
Quote History
Originally Posted By CJofFL:
Originally Posted By GreenMushroom:The cat mob is excellent but be aware it's pretty large.
If one wants almost Mob quiet, but short, get a Tisha. IME, the Mob, Tisha, Sub9, and CT9KS (now Shaw Mk9) are all sufficiently quiet on multiple hosts, whereas the Lithium, Wolfman short, and Omega 9k are not.



7/23/2026 6:10:21 AM EDT
[#16]
@HecklerKac
Quote History
Originally Posted By CJofFL:If one wants almost Mob quiet, but short, get a Tisha.
View Quote
If you’re trying to illustrate the size difference, you should also include the quiet Tisha, and loud Lithium.
7/23/2026 7:11:57 AM EDT
[Last Edit: Dale5150][Edited] [#17]
I get that the O9K is small and therefore shouldnt be as quiet. I preach about size all the time as it seems that no one takes that into consideration much. However my O9K is just loud to me. For just a little more size you get a lot more sound reduction.
7/23/2026 1:00:18 PM EDT
[#18]
RICO309 Attached File

Know Guns, Know Peace, Know Safety...No Guns, No Peace, No Safety
7/23/2026 1:04:26 PM EDT
[#19]
I have a YHM R9 and I like it a lot. I was actually contemplating buying another one
7/23/2026 5:32:22 PM EDT
[#20]
I picked up a Huxwrx 45m for a Scorpion but haven't gotten to try it yet.

What we've got here is a failure to communicate.
7/23/2026 6:55:57 PM EDT
[#21]
Originally Posted By KTM300XCW:
I am not familiar with 9mm cans and everything required to mount up to a 7" CZ Scorpion. I'm looking for suggestions. Budget is under $1K OTD.
View Quote


I used to have my rugged obsidian 45 on mine (5.5" bbl) and it was pretty quiet with subsonics. Now I have a YHM R9 which I like, way shorter package, looks good with the MI forend shroud, and quieter to my ears.
7/25/2026 9:07:54 PM EDT
[#22]
I have a rugged sub9 on my scorpion. It has been fantastic for the last 4k rounds. The quietest suppressor I have tried on it also.
7/26/2026 9:22:42 AM EDT
[#23]
I bought the OCL Milkman yesterday,  I need to figure out what hub I want on it.  Thinking of just getting a direct thread for now, and buy the 3-lug barrel for the Kuna and Hub later.  

I post back on how it sounds compare to GEMTECH MULTIMOUNT and the AAC Ti-Rant.  The Ti-Rant is a little quitter then the MM to my ears.



7/26/2026 10:16:15 AM EDT
[#24]
Quote History
Originally Posted By PC-Tech:
I bought the OCL Milkman yesterday,  I need to figure out what hub I want on it.  Thinking of just getting a direct thread for now, and buy the 3-lug barrel for the Kuna and Hub later.  

I post back on how it sounds compare to GEMTECH MULTIMOUNT and the AAC Ti-Rant.  The Ti-Rant is a little quitter then the MM to my ears.



View Quote


I run the Rugged RU3 on my Milkman, as well on any other 9mm cans it will fit on.
8/4/2026 8:46:01 PM EDT
[Last Edit: PC-Tech][Edited] [#25]
Quote History
Originally Posted By PC-Tech:
I bought the OCL Milkman yesterday,  I need to figure out what hub I want on it.  Thinking of just getting a direct thread for now, and buy the 3-lug barrel for the Kuna and Hub later.  

I post back on how it sounds compare to GEMTECH MULTIMOUNT and the AAC Ti-Rant.  The Ti-Rant is a little quitter then the MM to my ears.



View Quote

Got a chances to run the Milkman this weekend.  Form 4 come back quick.  Compared it to the GEMTECH Multimount (MM).  They both sounded about the same to me with supper and subs.  Was running in on a Kuna. I  didn't experiences any gas blow back with either, but it is a roller delayed PPC. Honestly I never experiences gas in my face with the scorpion and MM either.  The MM was a hair lighter being aluminum but the Milkman is shorter.  Both are very comfortable to shoot without hearing protection.  I can give the Milkman a recommendation if your looking for a PPC only can.  

I want to get my hands on a Tish, or RICO309 next.  Lets see what the gun shop gods in my aera get in stock.


Edit: Form 4 not 1
8/4/2026 9:27:40 PM EDT
[#26]
I have a Rico 309 shipping around 8/6 from CA. Going to try it on my mpx
8/5/2026 6:33:25 AM EDT
[#27]
AB F4L is very quiet and light. Direct thread only. it's great on my scorpion.
8/6/2026 12:35:21 AM EDT
[#28]
Guys, thanks for all the recommendations. I will be buying something in the next few weeks. I am invested in the SiCo ASR mounting system for my other guns. I assume I could use the same system for the Scorpion? That way I could also use it on my 300 BLK running subs.
8/9/2026 8:12:14 AM EDT
[#29]
Quote History
Originally Posted By KTM300XCW:
Guys, thanks for all the recommendations. I will be buying something in the next few weeks. I am invested in the SiCo ASR mounting system for my other guns. I assume I could use the same system for the Scorpion? That way I could also use it on my 300 BLK running subs.
View Quote

Hey OP, not sure what your Scorpion has as far as muzzle thread but I'm presuming 1/2"-28 so just need an ASR 1/2-28 9mm muzzle device.
8/9/2026 8:24:23 AM EDT
[#30]
Quote History
Originally Posted By Dance:
I picked up a Huxwrx 45m for a Scorpion but haven't gotten to try it yet.
View Quote

I recently picked up a 45M and it works pretty good on 9mm PCCs. I've been running on a B&T GHM9 Compact. I only have two .45 cans (GA Revolution 45 and the Hux 45M); I like the versatility.

ROCK6
"The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants" - Thomas Jefferson
8/9/2026 8:46:17 AM EDT
[#31]
Wasn’t there an original suppressor that was made for the scorpion that fit under the long slant handguards? It appears that it was about 1.25” in OD diameter. What was it?
8/9/2026 9:10:14 AM EDT
[Last Edit: GlockSpeed31][Edited] [#32]
Quote History
Originally Posted By Shadyman:
Wasn’t there an original suppressor that was made for the scorpion that fit under the long slant handguards? It appears that it was about 1.25” in OD diameter. What was it?
View Quote


AB F4 & AB Ssbre were designed for the Scorpion . The Sabre is no longer made.
8/11/2026 7:02:16 PM EDT
[#33]
Quote History
Originally Posted By Shadyman:
Wasn’t there an original suppressor that was made for the scorpion that fit under the long slant handguards? It appears that it was about 1.25” in OD diameter. What was it?
View Quote

AB Sabre was a collaboration between AB and CZ. Was going to be sold through CZ but never made it. It's basically an F4 with a 2" reflex added. I love mine.

8/13/2026 1:35:46 PM EDT
[Last Edit: KTM300XCW][Edited] [#34]
Question: I use the SiCo ASR platform. Do you know if anyone makes an ASR compatible 1/2x28 9MM muzzle device? I believe the scorpion has 1/2x28 threads?

ETA: I just saw that SiCo sells a single port brake that is 1/2x28. If anyone knows of others, I'd appreciate the heads up. $100+ shipped is pretty steep.
8/13/2026 1:44:42 PM EDT
[#35]
Quote History
Originally Posted By StoneTemple:
Rexsilentium MG7K.358 can is what i’ve been running on my Scorpion for two years now.  I run it in matches at least once a month.  

It can be direct threaded on the 1/2x28 barrel threads.  I’m running mine with Rearden Atlas and RC2.  

I think it sounds great and most bystanders comment how quiet it is.   It sounds nice with supers and is giggle quiet with subs.  You know what giggle quiet means.  

Yes its direct blowback with a traditional baffle can but i dont notice any excessive gas or recoil.  It is a 9mm shooting off your shoulder after all.

I got the Rex can during one of the sale periods.  Something like 30% off.  Less than $500 otd.  There are sites that regularly have Rex codes for discounted prices.
View Quote


@StoneTemple
I would be using the ASR mounting system. Have you tried this suppressor on a 300 BLK by any chance? If so, how is it?
8/15/2026 9:35:53 PM EDT
[#36]
Quote History
Originally Posted By KTM300XCW:


@StoneTemple
I would be using the ASR mounting system. Have you tried this suppressor on a 300 BLK by any chance? If so, how is it?
View Quote


Not who you asked, but I have run the Rex 358 on my 8.5" 300 and it sounds pretty good.  Not as quiet as my Omega 300 but that is to be expected.

With the Rex you can run 300blk supers too.
Doesn't mean that much to me to mean that much to you.
8/16/2026 11:18:32 AM EDT
[#37]
Quote History
Originally Posted By KTM300XCW:


@StoneTemple
I would be using the ASR mounting system. Have you tried this suppressor on a 300 BLK by any chance? If so, how is it?
View Quote



I don’t have 300blk.
I have however run that MG7K 358 on my 762.x39 AK.   Ran it in carbine competition.  Did not run subs with the AK but with supers it really tamed it down.  Didn’t notice excessive gas blow back or gassy taste like i get with some .556 suppressors.  

I’ve put it on my Ruger 7.62x39 bolt gun with S&B subs and its very quiet.   Absolutely hearing safe.   Like an air rifle.  

Not bad for technically a K size suppressor.   Built like a tank.  

Stone
8/18/2026 5:47:23 AM EDT
[#38]
CAT MOB, or OCL Milkman, or Rugged Sub9...?
8/18/2026 7:01:11 AM EDT
[#39]
Quote History
Originally Posted By KTM300XCW:
Question: I use the SiCo ASR platform. Do you know if anyone makes an ASR compatible 1/2x28 9MM muzzle device? I believe the scorpion has 1/2x28 threads?

ETA: I just saw that SiCo sells a single port brake that is 1/2x28. If anyone knows of others, I'd appreciate the heads up. $100+ shipped is pretty steep.
View Quote



Kaw Valley Precision has a brake & a flash hider that is
ASR compatible for a $59 each. I would like to try one
or two, but I haven't ordered them yet.

FYI
8/18/2026 7:12:26 AM EDT
[#40]
Omega 9K is my preference as it’s quiet but not huge.  It’s also supersonic 300BLK rated which makes it very versatile.
8/18/2026 7:18:01 AM EDT
[#41]
Neighbors has a Defiant Javelin on his and is super quiet.   Like movie quiet
8/21/2026 3:06:18 PM EDT
[#42]
What would Griffin's offering be in the 9 mm sub gun category, don't they have like a universal 36 6 caliber can or something bushwacker?
9/13/2026 10:48:49 AM EDT
[#43]
I bought the Milkman for the Kuna, but after putting it on the Scorpion,  I think it looks so much better on the Scorpion.  Got the Rugged 3-lug mount.  I'm using the HBI 3-lug barrel and there handguard.  The can just go a little into the hanguard.

Attached File
9/13/2026 11:54:51 AM EDT
[#44]
omega 9k on 3-lug mount
9/13/2026 12:03:21 PM EDT
[#45]
Quote History
Originally Posted By bmarshall1:
What would Griffin's offering be in the 9 mm sub gun category, don't they have like a universal 36 6 caliber can or something bushwacker?
View Quote


Have a Griffin Sportsman 36 coming for my FX9 will find out how it works. Wondering if the Sportsman is a real lower back pressure can and if my FX9 will have a lot of blow back?
9/13/2026 6:54:47 PM EDT
[#46]
YHM R9 is one of the more inexpensive options and works great other than a little bit of gas and port pop compared to flow throughs...
9/13/2026 7:35:23 PM EDT
[#47]
Buddy picked up the Rugged for his CZ. Seems to like it a lot and the R9 was his first option. The milkman seems to get good reviews too.
9/13/2026 9:17:56 PM EDT
[#48]
Quote History
Originally Posted By PC-Tech:
I bought the Milkman for the Kuna, but after putting it on the Scorpion,  I think it looks so much better on the Scorpion.  Got the Rugged 3-lug mount.  I'm using the HBI 3-lug barrel and there handguard.  The can just go a little into the hanguard.

https://www.ar15.com/media/mediaFiles/23653/IMG_0620_jpg-3826697.JPG
View Quote


That looks incredible on there. Hope you love it!
9/14/2026 12:28:33 AM EDT
[#49]
I have a yhm r9 with factory 3 lug. I love it on my scorpion, mp5, and AR9.  The back pressure isn't noticeable, neither is gas, and it is super quiet.  I was contemplating buying another.  

Two weeks ago my local gun shop announced 4473 transfers and I went in to buy another. I walked out with an Incolite.  I mounted a Rugged 3 lug and wow am I impressed. 14.5 oz for the R9 and 9.6 Oz for the Incolite.  Initial testing with 147 grain ammo and I couldn't tell any difference in the sound.

I put less than 50 rounds through it, but so far it's impressive.  

I need to shoot it outdoors to really tell the difference.  



9/14/2026 8:40:12 AM EDT
[#50]
I also just picked up an Incolite 9 and was really impressed. It is quieter than my r9 by a little bit and equals my Sub 9 plus it is much lighter. Amazing can for the size and price.

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