Armaspec Carbine Length Gas Tube - 9.8" Stainless Steel for AR-15 Rifles

The gas tube is the backbone of your AR-15's operating system—it channels high-pressure gases from the barrel back through the gas block to cycle the bolt carrier group. If you're building a new carbine, troubleshooting reliability issues, or simply replacing a worn component, the Armaspec Carbine Length Gas Tube delivers the straightforward performance that serious shooters expect. Built from stainless steel and sized at 9.8 inches to match carbine-length gas systems, this tube handles the thermal and mechanical stress of full-auto rates of fire and keeps your rifle running when it matters.

Armaspec has earned respect in the AR platform community for no-nonsense parts that work. This gas tube is manufactured in the USA to exact tolerances, ensuring proper fit and function with standard AR-15 gas blocks and receivers. Whether you're running a duty rifle, competition carbine, or hunting build, a quality gas tube is insurance against failed extraction and short-stroking—both reliability killers in the field or on the line.

Stainless steel construction resists corrosion and holds up to repeated heating cycles without degrading. If you shoot suppressed, run harder loads, or just want a known-good backup component in your spares kit, grab one now. This is one of those parts you don't think about until you need it—then you're grateful it's there.

Key Features

• Carbine length size (9.8") for standard AR-15 carbine gas systems
• Stainless steel construction for corrosion resistance and durability
• Made in the USA
• Direct replacement for worn or damaged tubes

Specifications

Frequently Asked Questions

Will this gas tube fit my AR-15?

This is a carbine length gas tube designed for AR-15 rifles with carbine-length gas systems. Confirm your rifle uses a carbine-length setup (as opposed to mid-length or rifle-length) before ordering. It works with standard AR-15 gas blocks and upper receivers.

What's the difference between carbine, mid-length, and rifle-length gas tubes?

The length of the gas tube determines where it picks up gases from the barrel. Carbine length is the shortest of the three and is found on most tactical and compact AR-15 builds. Using the wrong length can cause short-stroking or over-gassing, so verify your system before purchasing.

Why stainless steel instead of carbon steel?

Stainless steel resists rust and corrosion, especially useful if you shoot suppressed, in wet conditions, or store your rifle for extended periods. It also handles heat cycling better over time, making it a more durable long-term choice than standard carbon steel tubes.

Is this a direct replacement part?

Yes. This gas tube is designed as a drop-in replacement for worn, damaged, or standard OEM tubes on AR-15 carbine-length gas systems. Installation requires removing the gas tube roll pin and sliding out the old tube; the new one installs the same way.