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Posted: 5/16/2020 12:12:56 PM EDT
I’m looking for an upper for my SBR lower and suppressor. I’d prefer something 12.5” or shorter. It will be shot suppressed 90% of the time most likely.

What would you buy and why?
Link Posted: 5/16/2020 12:18:13 PM EDT
[#1]
Take it to suppressed 100% of the time and get triarch's 11.5 suppressed only
Link Posted: 5/16/2020 12:45:03 PM EDT
[#2]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By OhioRangeTime:
Take it to suppressed 100% of the time and get triarch's 11.5 suppressed only
View Quote


@ohiorangetime

Why?  I only recently heard of them and I’m very interested, but don’t know a thing about them.  

I believe BA has the same spec barrel (not the identical barrel) and I’ve heard of them and used their barrels.  

Always willing to learn.
Link Posted: 5/16/2020 12:46:08 PM EDT
[#3]
Centurion will cut you a 16" to 12.5" with a mid length gas system and port sized for a dedicated suppressor host. Accurate and well balanced barrel.
Link Posted: 5/16/2020 1:07:07 PM EDT
[#4]
Blackstone Arms
Will build a nice upper
Link Posted: 5/16/2020 1:07:17 PM EDT
[#5]
What max caliber is your suppressor rated for?

I'd be tempted to do a super quiet 22lr or 9mm build, or if you just want to tone down the blast then 762x39

Link Posted: 5/16/2020 1:11:42 PM EDT
[#6]
Pws mk 110 or mk112 mod 1
Link Posted: 5/16/2020 1:19:35 PM EDT
[#7]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Steamedliver:


@ohiorangetime

Why?  I only recently heard of them and I’m very interested, but don’t know a thing about them.  

I believe BA has the same spec barrel (not the identical barrel) and I’ve heard of them and used their barrels.  

Always willing to learn.
View Quote


They put more emphasis on gas port sizing than a lot of other manufacturers. Like you said there are other companies doing it, but reviews have been pretty good on the triarch barrels and handguards. I have no personal experience, but If I wanted a complete upper to run suppressed only, I'd give them a try. Their prices aren't that high either. I'm planning on doing a 12.5 build using their barrel and AGB at some point, but I don't think I'd want suppressed only personally.
Link Posted: 5/16/2020 1:33:12 PM EDT
[#8]
What's the purpose of this weapon? I really like my 12.5" in 6.8 SPC a lot. Great power for hunting. If I was looking for plinking I'd go 12.5" 5.56 no doubt.

I also have a very short 8" barrel 300blk that's light and handy. Extremely quiet with subs. Supers are still good enough for hunting, but not as good as the 6.8 SPC.

For home defense if I was worried about over penetration I'd go 5.56mm. Or 300blk would be the quietest indoors. Or 6.8 for max power factor.
Link Posted: 5/16/2020 1:35:12 PM EDT
[#9]
If I get a suppressed only barrel, I hope they don’t ask me what gas port size.   I have no clue.  

I’d only use one or two type of ammo.  Like M193 or M855 for simplicity.
Link Posted: 5/16/2020 1:37:31 PM EDT
[#10]
It’s a 5.56 can. Gun would be for home defense and such.
Link Posted: 5/16/2020 1:42:00 PM EDT
[#11]
geissele super duty 11.5" upper is the answer. worth the wait for them to come back in stock
Link Posted: 5/16/2020 2:05:00 PM EDT
[#12]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By OhioRangeTime:
Take it to suppressed 100% of the time and get triarch's 11.5 suppressed only
View Quote


This
Link Posted: 5/16/2020 2:07:45 PM EDT
[#13]
Thoughts on triarc’s 10.5 suppressed only barrel?

With a griffin GP5 it’ll be 16 inches.  If I chose to pin weld.  I’m not asking if pin welding a suppressor is a good or bad idea.
Link Posted: 5/16/2020 2:32:45 PM EDT
[#14]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Ct1:
Pws mk 110 or mk112 mod 1
View Quote

Yup, all my PWS 's run great suppressed.  This is where pistons shine.
Link Posted: 5/16/2020 2:35:31 PM EDT
[#15]
BCM. Thousands of full auto suppressed rounds, still at 1.5 MOA zero issues, and perfectly ported.

Attachment Attached File
Link Posted: 5/16/2020 4:22:43 PM EDT
[#16]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By OhioRangeTime:
Take it to suppressed 100% of the time and get triarch's 11.5 suppressed only
View Quote


This is the correct answer.

Triarc will personally work with you to make sure your suppressed only upper is exactly what you need.  

They will answer the phone when you call and call you right back if they cant.  

If you have used parts from other companies you want to build with you can send them in and they will set it all up for you.

I'm always trying to brag on Triarc - they seriously hooked me up a year ago when I had issues with a whole rifle build that only had one Triarc part in it...
Link Posted: 5/16/2020 4:31:16 PM EDT
[#17]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By HAMBURGERATTACK:


This is the correct answer.

Triarc will personally work with you to make sure your suppressed only upper is exactly what you need.  

They will answer the phone when you call and call you right back if they cant.  

If you have used parts from other companies you want to build with you can send them in and they will set it all up for you. 

I'm always trying to brag on Triarc - they seriously hooked me up a year ago when I had issues with a whole rifle build that only had one Triarc part in it...
View Quote



Such a dick move.  I’ll call on Monday.  

How is their accuracy with m193 or 855?
Link Posted: 5/16/2020 6:52:23 PM EDT
[#18]
Knights armament
Link Posted: 5/16/2020 10:13:29 PM EDT
[#19]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By SurtrsFire:
Knights armament
View Quote


Not the best out of the box with full time suppressor use.
Link Posted: 5/16/2020 10:50:42 PM EDT
[#20]
Centurion Arms 12.5 is what I use at work... Surefire can should be here soon.

Attachment Attached File
Link Posted: 5/17/2020 11:26:15 AM EDT
[#21]
I really like my Sig 516 10.5” upper that runs a full time YHM-turbo K.
Link Posted: 5/17/2020 12:29:51 PM EDT
[#22]
AndroCorp 10.3 crane spec upper...I have two of these barrels now,  but they sell complete uppers too.  Perfect size gas port (.070) for suppressed and suppressed use. They use ballistic advantage barrels,  which are awesome.
Link Posted: 5/17/2020 2:52:20 PM EDT
[#23]
KAC or TriArc
Link Posted: 5/17/2020 3:29:39 PM EDT
[#24]
Shark Arms - Colt 11.5 Commando HBAR FBI HRT
Shark Arms - Colt 10.3 uppers with fsb, complete

The webpage stock status isn't too accurate, send them an email and they can usually get one build up for in a few weeks. They're usually $750-$850
Link Posted: 5/17/2020 4:25:52 PM EDT
[#25]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Steamedliver:


Not the best out of the box with full time suppressor use.
View Quote

what problems have you had with yours?
Link Posted: 5/17/2020 4:52:34 PM EDT
[#26]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By OhioRangeTime:
Take it to suppressed 100% of the time and get triarch's 11.5 suppressed only
View Quote


This. .50 gas port.  It's smooth and not gassy at all.  I love mine
Link Posted: 5/17/2020 4:55:14 PM EDT
[#27]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Steamedliver:



Such a dick move.  I’ll call on Monday.  

How is their accuracy with m193 or 855?
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Steamedliver:
Originally Posted By HAMBURGERATTACK:


This is the correct answer.

Triarc will personally work with you to make sure your suppressed only upper is exactly what you need.  

They will answer the phone when you call and call you right back if they cant.  

If you have used parts from other companies you want to build with you can send them in and they will set it all up for you. 

I'm always trying to brag on Triarc - they seriously hooked me up a year ago when I had issues with a whole rifle build that only had one Triarc part in it...



Such a dick move.  I’ll call on Monday.  

How is their accuracy with m193 or 855?


I get about 1.5-1.75 MOA from 193 ball through an Aimpoint.
Link Posted: 5/17/2020 5:31:34 PM EDT
[#28]
Quoted:
I’m looking for an upper for my SBR lower and suppressor. I’d prefer something 12.5” or shorter. It will be shot suppressed 90% of the time most likely.

What would you buy and why?
View Quote


I built a 12.5 using a Criterion barrel. Buying complete uppers or lowers always leaves something to be desired, but building does not. If I were to buy a complete 12.5, it would be a Centurion

The Criterion barrel is insanely accurate

Attachment Attached File
Link Posted: 5/17/2020 5:35:07 PM EDT
[#29]
Hodge 12.5, Geissele 11.5, Sionics RGP or ERGP, Centurion 12.5 midlength.
Link Posted: 5/17/2020 8:34:21 PM EDT
[#30]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By SurtrsFire:

what problems have you had with yours?
View Quote


Over gassing with a restrictive suppressor, without changing anything.  Meaning a lot of gas to the face.

Also, dramatically increased bolt speed with my RR, semi or auto with a suppressor.

All this because of over gassing WITH a suppressor.
Link Posted: 5/17/2020 8:56:04 PM EDT
[#31]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By DoctorLove:
 

I built a 12.5 using a Criterion barrel. Buying complete uppers or lowers always leaves something to be desired, but building does not. If I were to buy a complete 12.5, it would be a Centurion

The Criterion barrel is insanely accurate 

https://www.AR15.Com/media/mediaFiles/324355/4992696B-AA31-4256-BB1B-A861743DE9BC_jpe-1420592.JPG
View Quote



Can you quantify “insanely” accurate?   What kind of ammo?

I’m getting 1-2 MOA from FN 10.5 inch barrel.  However its got an adjustable gas system, gas buster handle and I’m using the Surefire enhanced BCG to reduce gas to the face and lower the cyclical rate.
Link Posted: 5/17/2020 10:01:36 PM EDT
[#32]
Another thing you're getting with Triarc Systems is one of the absolute best rails on the market.
Link Posted: 5/19/2020 1:42:41 AM EDT
[#33]
PWS MK111

Lefty, and I’ve only shot a few rounds through it without a can.

No failures.

This is the way.
Link Posted: 5/19/2020 1:51:36 AM EDT
[#34]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Steamedliver:



Can you quantify “insanely” accurate?   What kind of ammo?

I’m getting 1-2 MOA from FN 10.5 inch barrel.  However its got an adjustable gas system, gas buster handle and I’m using the Surefire enhanced BCG to reduce gas to the face and lower the cyclical rate.
View Quote


I get a consistent 1 moa groups with my 12.5 centurion using 69 grain smk at 100 yards , no gas in the face , smooth recoil. But i can also cut loose and run drills with it . Its become my go to in a very short amount of time. Cant suggest centurion enough.
Link Posted: 5/19/2020 3:27:58 AM EDT
[#35]
FBI Clone.  Smoothest shooting gun I own

Attachment Attached File
Link Posted: 5/19/2020 9:33:51 AM EDT
[#36]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Steamedliver:



Such a dick move.  I’ll call on Monday.  

How is their accuracy with m193 or 855?
View Quote


My Triarc 14.5 was a moa or less barrel with m855.  Now in terms of a non-supressed or partially suppressed build I would be cautious with Triarc because they port on the small side for sure... but a 100% Suppressed build would reallllly take advantage of those special Track 2.0 barrels they use and the special port sizing.

I put a h2 buffer and a tubs flat spring in my KAC CQBR Mod2 and ejects at 2:00 suppressed and locks back PMC .223 un-supressed.  I was also having gas to face issues when gun was very clean - pri gasbuster fixed that. Using Surefire mini2
Link Posted: 5/19/2020 9:56:25 AM EDT
[#37]
Seems like knowing the purpose is a really important question to answer.

8" 300blk
12.5" 6.5
12.5" 6.8


One of those three depending on use.
Link Posted: 5/19/2020 9:58:31 AM EDT
[#38]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By HAMBURGERATTACK:


My Triarc 14.5 was a moa or less barrel with m855.  Now in terms of a non-supressed or partially suppressed build I would be cautious with Triarc because they port on the small side for sure... but a 100% Suppressed build would reallllly take advantage of those special Track 2.0 barrels they use and the special port sizing.

I put a h2 buffer and a tubs flat spring in my KAC CQBR Mod2 and ejects at 2:00 suppressed and locks back PMC .223 un-supressed.  I was also having gas to face issues when gun was very clean - pri gasbuster fixed that. Using Surefire mini2
View Quote

Does triarc have small gas port 11.5" and 10.5" barrels? Building the wife a 100% suppressed gun soon. Was just going to get a criterion barrel like usual but I'm open to new options.

I put another 800rds through my mod 2 cqb kac this weekend at a training class and had no issues except one stovepipe, I think it was the magazines fault but I'm not sure. The rifle was dirty and dry at that point so I couldn't really tell. Also the possibility that I knocked the casing back into the ejection port since I was shooting support side.
Link Posted: 5/19/2020 11:32:57 AM EDT
[#39]
Thanks for the wealth of information, it really seems that Triarc has the smallest available gas port that I can find, I just wish they were cheaper!

That sionics ERGP also looks like it might be the ticket. I need to contact them and see what the gas port sizing is.
Link Posted: 5/19/2020 11:47:55 AM EDT
[#40]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Foo_909:
Thanks for the wealth of information, it really seems that Triarc has the smallest available gas port that I can find, I just wish they were cheaper!

View Quote


What is the size?   If it’s listed on their website, I did not see it.

Thanks in advance.
Link Posted: 5/19/2020 11:50:39 AM EDT
[#41]
A member above posted it is “0.50” but I don’t know that as first hand knowledge. I plan on emailing them today though.
Link Posted: 5/19/2020 11:58:00 AM EDT
[#42]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By OhioRangeTime:
Take it to suppressed 100% of the time and get triarch's 11.5 suppressed only
View Quote


This is the correct answer

Attachment Attached File
Link Posted: 5/19/2020 1:05:59 PM EDT
[#43]
Unfortunately MicroMOA closed. I have a 12.5 upper from them with the Govnah. The Govnah has a plate with 3 holes of your choice. Mine is .055 suppressed, .073 not, .082 dirty and / or weak ammo. Mid Gas

My other SBR AR is a Adams Arms piston 11.5 upper. The gas adjust has off, normal, suppressed which is suppose to be 1/2 normal.
It runs great, have done several classes with a Specwar 556K. On suppressed setting without a can it's a single shot.
With the gas off, obviously it's a bolt action but noticeably quieter.
Link Posted: 5/19/2020 7:53:54 PM EDT
[#44]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Foo_909:
Thanks for the wealth of information, it really seems that Triarc has the smallest available gas port that I can find, I just wish they were cheaper!

That sionics ERGP also looks like it might be the ticket. I need to contact them and see what the gas port sizing is.
View Quote


I still had gas to face with the Sionics ERGP barrel and an Omega.  The barrel is also heavy AF like a freaking SOCOM profile.  I sold it almost immediately.  I ended up going with the Crane spec (0.07) spec Andro 10.3 barrel (it's a ballistic advantage barrel that's to their spec and rebranded...very smooth shooting suppressed and unsuppressed)
Link Posted: 5/19/2020 8:25:45 PM EDT
[#45]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By acjones1200:


I still had gas to face with the Sionics ERGP barrel and an Omega.  The barrel is also heavy AF like a freaking SOCOM profile.  I sold it almost immediately. 
View Quote


The barrel profile is one of the best aspects of the Sionics barrel, especially for 90% suppressed. 11.5" guns feel like kid's play toys no matter the barrel profile anyway.
Link Posted: 5/19/2020 8:36:25 PM EDT
[#46]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By acjones1200:


I still had gas to face with the Sionics ERGP barrel and an Omega.  The barrel is also heavy AF like a freaking SOCOM profile.  I sold it almost immediately.  I ended up going with the Crane spec (0.07) spec Andro 10.3 barrel (it's a ballistic advantage barrel that's to their spec and rebranded...very smooth shooting suppressed and unsuppressed)
View Quote


The ERGP and not just the RGP?

That’s good info either way, thanks.
Link Posted: 5/19/2020 8:46:10 PM EDT
[#47]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Foo_909:


The ERGP and not just the RGP?

That’s good info either way, thanks.
View Quote


ergp
Link Posted: 5/20/2020 9:26:50 PM EDT
[#48]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By grn06rubi:


This is the correct answer 

https://www.AR15.Com/media/mediaFiles/210459/C4639DC6-E2A4-49C9-8A7B-DB8372E1EADB_jpe-1423452.JPG
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By grn06rubi:
Originally Posted By OhioRangeTime:
Take it to suppressed 100% of the time and get triarch's 11.5 suppressed only


This is the correct answer 

https://www.AR15.Com/media/mediaFiles/210459/C4639DC6-E2A4-49C9-8A7B-DB8372E1EADB_jpe-1423452.JPG


Agreed

Link Posted: 5/21/2020 2:17:25 AM EDT
[#49]
It looks like there is an overwhelming amount of people suggesting the suppressed only Triarc uppers/barrels.

What handguard and or barrel lengths are you all running?
Link Posted: 5/21/2020 2:59:48 AM EDT
[#50]
My vote goes to LMT.

12.5 piston or 10.5 DI

Attachment Attached File
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