American Defense Mfg. AD-B3 Modular Base, Quick Detach, Fits Full Size ACOG, Black AD-B3-STD is a high-quality optic mounting solution designed and manufactured by American Defense Mfg. The AD-B3 modular base is a full-size ACOG mount that can accept several different risers to accommodate a variety of uses. The patented QD Auto Lock lever system does not require proprietary tools for adjustment, can be adjusted with your finger or a flat blade screwdriver, and the lever can be configured to lock to the front or the rear.
The mount features a superior clamping surface to insure maximum rail engagement. The AD-B3 Modular base is precision CNC machined from a block of 6061 T6 aluminum and finished in hard coat type 3 Mil-Spec anodize for a rock hard lasting finish. It is fully adjustable to fit both in spec and out of spec rail systems.
American Defense MFG, LLC. products feature a lifetime warranty. Made with pride in the U.S.A.

