This LBE Unlimited gas tube (brand part no. ARGTR-BLK) is sized for the rifle-length gas system and finished in Melonite for corrosion resistance and a low-friction surface. LBE Unlimited designs and builds this and its other AR components, from uppers and bolt carrier groups to gas tubes and springs, entirely in the United States. This AR gas system part carries gas from the gas block back to the bolt carrier key.

Key Specifications

• Sized for the rifle-length gas system.
• Finished in Melonite for corrosion resistance and reduced friction.
• Made in the United States.
• Finished in black, per the part’s black-finish (-BLK) designation.

Frequently Asked Questions

Will this fit a carbine-length or mid-length gas system? No, this tube is cut specifically for the rifle-length gas system; LBE Unlimited sells separate carbine-length and mid-length versions.

What does the Melonite finish do? It adds corrosion resistance and a smoother, low-friction surface compared to a bare or phosphate-finished tube.

Buy the LBE Unlimited Rifle-Length Gas Tube, Melonite

A worn or bent gas tube is a common source of cycling issues, and this one is a direct, made-in-USA replacement. Order it from our Lubbock, TX gun shop for fast, insured shipping.