6 Position Receiver Extension “Buffer” Tube MIL SPEC Diameter, by TACTICAL INTENT

Our premium 6 position Extension tubes are machined from Mil Spec 7075-T6 aluminum. Not the weaker, less expensive 6061-T6 material you see offered by other brands. 7075-T6 is nearly double the Tensile strength of 6061-T6. 83000 PSI for 7075-T6 vs 45000 PSI for 6061-T6. Features : MIL SPEC size, 6 Position Extension Tube Made From Aircraft Grade 7075- More »