11" 7.62x39 Carbine 4150 Nitrided Barrel

Question

Q: What is the gas port size on this barrel? Going on a dedicated suppressed gun. Also, assuming CLGS? Thanks!

Asked by: James MacKenzie - 12/19/2025

Q: Do your barrels come with a dimple for the gas block?

Asked by: Dune - 8/27/2024

Q: Do these have standard M4-profile feed ramps, or do they have enlarged feed ramps for the 7.62x39 cartridge?

Asked by: Jon - 11/22/2022

Q: Will this barrel work with the receiver you sell here from Aero Precision - APAR501603AC?

Asked by: Dave S - 8/4/2022

Q: What's the twist rate?

Asked by: Juan - 2/6/2022

Q: Is there an eta on when these will be back in stock?

Asked by: joshua stearns - 8/31/2020

Q: when will this barrel be back in stock ?

Asked by: Aaron Anderson - 8/13/2020

Q: What bolt can you recommend for this barrel? Looking at the Young Manufacturing option currently.

Asked by: Joe - 7/8/2020

Q: When will these be in stock again ?

Asked by: Mario Trevino - 6/25/2020

Q: I have bought your other 7.62x39mm components and want your 11.5" barrel, when will it be in stock?

Asked by: Kris I M - 6/6/2020

Questions about this item? Ask here.

Accepted Answer

A: Gas port size is .094". Not sure what CLGS means.

Answer provided by: Administrator (1/21/2026)

Accepted Answer

We do not as the dimple as it leaves a bare metal and dimpling is used to center the gas blocks. A lot of gas blocks screws have cupped screws which when installing will dig into the barrel. Dimple does not cause a gas block to stay on, it's the actual cupped screws and proper torqueing that will prevent gas block from coming loose.

Accepted Answer

Yes, under the products page under the PRODUCT SPECIFICATION tab it list the barrels specs: Feed Ramps: Enhanced M4 Barrel Extension Specifically Designed for 30 Caliber Size Bullets

Accepted Answer

Yes this barrel will work with any AR-15 mil-spec receiver including the Aero AR-15 Upper receiver: APAR501603AC

Accepted Answer

A: 1/10 twist rate

Answer provided by: Administrator (2/7/2022)

Accepted Answer

Currently we have no ETA, our barrel turner is undergoing treatment for cancer and he has taken time off while undergoing cancer surgery and treatment.

Accepted Answer

Currently we have no ETA, our barrel turner is undergoing treatment for cancer and he has taken time off while undergoing cancer surgery and treatment.

Accepted Answer

Any AR-15 7.62x39 bolt assembly that is made to mil-spec dimensions will work as long as the bolt face is .125"

Accepted Answer

Due to current situation in the firearm industry, it's hard to say when they will be back in stock. We currently have no ETA.

Accepted Answer

More barrels are in production now. It could still be 4 to 6 weeks before they are back in stock, but that is just an estimate. If you put yourself on the waiting list you will get a notification when they are back in stock. Thank you.

11" 7.62x39 Carbine 4150 Nitrided Barrel

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11" 7.62x39 Carbine 4150 Nitrided Barrel

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