If you are looking for a high quality gas tube, look no more. These are the same gas tubes that Spike's installs on their ST-15 rifles and complete upper receivers.
Precision machined from 304 Stainless Steel, Spike's Tactical AR15/AR10 gas tubes have an extremely durable Nitride finish that increases corrosion resistance, wear resistance, fatigue strength and cosmetic appeal while ensuring consistent gas flow to help your rifle cycle properly.