CMC AR-15 Intermediate Length Gas Tube – Black Nitride

SKU: 84624

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Black Nitride Gas Tube For Intermediate Length Barrels

The CMC Triggers AR-15 Intermediate Length Gas Tube is an excellent option to ensure a consistent gas flow on your rifle for a smooth and consistent operation. It is ideal for custom AR-15 builds using the less common intermediate length gas system.

Intermediate-length gas tubes are installed on rifles between Mid and Rifle length, and measure 13.25″.

304 Stainless Steel in Black Nitride Coating

The CMC Triggers AR-15 Intermediate Length Gas Tube s machined from 304 stainless steel and is treated with a Black Nitride finish that prevents corrosion and wears. Black gas tubes also help in eliminating the light reflected through the handguard that may cause obstruction when shooting.

Comes complete with the Gas Tube roll pin.


  • Precision manufactured from 304 stainless steel
  • Black Nitrided for enhanced corrosion resistance, heat & erosion resistance.
  • Nitrided tubes run cleaner & cooler.
  • Black tube eliminates the light reflection of the part through the handguard.
  • Comes complete with Gas Tube Roll Pin.
  • Manufactured in the USA.
  • Comes with a Lifetime Warranty

Have Questions About this Product?

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

CMC Triggers Warranty Information

100% Satisfaction Guaranteed

We offer a 100% satisfaction guarantee on everything we build. With 33 years of experience in aerospace manufacturing, 95 years of combined machining experience, strong company values, and Christian morals, everyone can have the utmost confidence in buying CMC!

CMC Warranty

  • You Can’t Go Wrong – With proper care, your CMC Trigger should last a lifetime.
  • If your trigger should ever need adjustment, please return it for repair or replacement.
  • CMC will refund the purchase price of any unaltered trigger or product within 30 days of purchase. Offer applies to purchases direct from CMC or participating dealers only.
  • Products returned from dealers to CMC for credit must include proof of the customer’s purchase.
  • Refund offer does not include the cost of shipping, handling, or other ancillary charges.
  • Participating dealers are responsible for refunding their customers. CMC will be responsible for refunding the CMC dealer upon receipt of the returned products.
  • Alteration, tampering or disassembly of the CMC Trigger voids all warranties, implied or expressed.

Contact Details:

Telephone: (817) 563-6611

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.

Customer Reviews

Based on 1 review
Careful of length!

The CMC intermediate gas tube actually measures 13.65 inches, not 13.25 inches. Wilson Combat intermediate length is 13.25 inches, so in this application the CMC gas tube will hold the BCG out of battery as it is slightly more than 1/4 inch longer! Found that out the hard way. Verify your manufacturers actual "intermediate" length before purchasing a gas tube.

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