Black Nitride Mil Spec Gas Tube (Mid-Length) American Armament Ind. Black Nitride gas tubes are made out of Seamless Mil-Spec 304 stainless steel.
Each tube is QPQ Nitride treated for greater heat resistance, corrosion resistance, and lower reflection.
These gas tubes are rated for all calibers, including .223, 5.56, 300 blackout, 5.45x39, 7.62x39 .308 6.5 creedmore even short magnum calibers.
Calibers that would destroy most tubes this tube can handle
This Tube is designed to fit all AR-15 M16 M4 Or Lr-308 variants that have Mid-Length gas systems.
Low glare black gas tubes eliminate any glare underneath the hand guard. Black Nitride is also known melonite.
MFG By American Armament Ind. For Davidson Defense Using the Highest Quality Materials Avail. Made 100% In The USA