Tapco AR-15 Gas Tube Mid Length Black. Meticulously crafted and finished in sleek anodized black this gas tube ensures reliable performance and optimal gas flow for smooth cycling. Engineered to precise specifications it provides a perfect fit and seamless integration with your gas system. Specifications for Tapco AR-15 Gas Tube: Manufacturer: Tapco Color: Black Finish: Anodized Gun Make: AR Platform Gun Model: AR-15 Package Contents: Tapco AR-15 Gas Tube What firearm models does the manufacturer say Tapco AR-15 Gas Tube is compatible with? The manufacturer suggests that Tapco AR-15 Gas Tube is compatible with AR-15Tapco TAP22068: AR-15 Gas Tube Mid Length Black