Lunar 6 mil-spec buffer tubes to go with the rest of your AAT parts , manufactured of 7075 aluminium , Note the Blue buffer tube and forward assist are a bit darker then the other blue parts and the gray forward assist is a bit darker then then rest of the gray parts , our red , green and black are perfect. We do our best with our anodizing but just like every other company it’s hard with the different shades! They still look amazing as it’s not a big difference!
**Due to numerous factors that take place during the anodizing process, the color of each anodized part may vary.**