Our AR15/M16 Mid-Length gas tube is constructed of Hardened Stainless Steel for strength and durability. The carbine gas tube is heat & corrosion resistant to ensure consistent gas flow to help your firearm cycle properly. This AR15 gas tube fits mid-length gas systems. This is great if you're building an AR15/M16, or sourcing parts for replacement or upgrade. 

AR15 Mid-Length Stainless Steel Gas Tube w/Pin