American Defense Manufacturing AD-B4 X-Large Modular Base Black AD-B4 STD-TL

American Defense Manufacturing AD-B4 X-Large Modular Base Black AD-B4 STD-TL. Standalone it is a full size ACOG mount. Alternatively it can accept several different risers to accommodate a variety of uses. The overall length of the base is 4". It is precision machined from 6061 T6 aluminum and finished in hard coat T3 Mil-Spec anodize. It features the Patented QD Auto Lock Lever system to accommodate both in spec and out of spec rail systems. Specifications for American Defense Manufacturing AD-B4 X-Large Modular Base: Manufacturer: American Defense Manufacturing Additional Features: Titanium Lever Condition: New Package Contents: American Defense Manufacturing AD-B4 X-Large Modular Base American Defense Manufacturing AD-B4 STD-TL: AD-B4 X-Large Modular Base Black