11.5 Carbine Length Barrel for Suppressor 95%+

[PrivateCitizen]

(Can't decide if this is general or technical … thanks in advance mods)

Looking for recommendations on a, 11.5 Carbine length 5.56 barrel for use heavily with suppressor usage. An A5H2/H3 will be quipped available as needed.

So far I have found:

SCIONICS RGP
Triarc TRACK 2.0

For this I am not looking for stainless, specialized gas systems, or non-standard things like threads. This has to be as as close to 'common use' as possible.

I am looking for others that have experience with barrels of this size. I am not a total accuracy snob as the parts in this category will probably shoot well within the needs.

Both of the above 2 have a 6-10 week backorder.

Would appreciate any practical feedback on 11.5" experiences with a suppressor … if you have one would you buy it again or not and why?

[Eurodriver]

Sionics.

You’re going to get a bunch of ill informed replies that say otherwise, but the answer is Sionics RGP.

[jpmuscle]

Sionics.

You’re going to get a bunch of ill informed replies that say otherwise, but the answer is Sionics RGP.

This or just cut down a Colt.




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[themonk]

Sionics

[Lawnchair 04]

+1 for Sionics RGP, runs both suppressed and unsupressed with an A5 system. Suppressor is a Surefire socom 762 mini. And I’m a left handed shooter so minimizing gas blowback was a priority.

[Travelingchild]

Sionics RGP, 11.5, Sionics gas block, tube, bolt carrier group Vtlor A5-H2buffer. rugged razor...
Tula, wolf steel cased, wolf gold, am eagle , etc. my own handloads etc.
Boringly reliable 1000 rounds give or take...

[phixion]

Colt 11.5 FBI HRT barrel.

[Pappabear]

Sionics.

You’re going to get a bunch of ill informed replies that say otherwise, but the answer is Sionics RGP.

This or if you run the can 100% the Extreme RGP is just dandy

PB

[markm]

The ERGP sionics barrel is sweet. I'd be leaning towards that unless great function unsupressed is manditory.

I run the RGP with no can 100% of the time because that's what the port is SUPPOSED to be in the friggin first place, Mama.

[everready73]

The ERGP sionics barrel is sweet. I'd be leaning towards that unless great function unsupressed is manditory.

I run the RGP with no can 100% of the time because that's what the port is SUPPOSED to be in the friggin first place, Mama.

Sionics RGP is .070 i believe and if you cant wait for the lead time the FBI barrel is spec'd the same. Just do not buy from Unlimited Arms as the version they have with shaved FSB has a larger ,073 or so gas port

SOLGW port is .071 which is close to the Sionics as well

Sionics ERGP is closer to .063 i believe and that would proably be optimal for a can only