American Defense Mfg., AD-B2 Modular Base, Quick Detach, Fits Mini ACOG The American Defense AD-B2 Modular Base is the medium base in the American Defense modular lineup. It is designed to accept several different risers to accommodate a variety of optics. With no risers installed, it is the ideal base for the mini ACOG. It is precision machined from 6061 T6 aluminum and finished in hard coat T3 Mil-Spec anodize. It features the patent pending Auto Lock Lever system to accommodate both in spec and out of spec rail systems. The Auto Lock Lever System has the following advantages: Does not require proprietary tools for adjustment Can be adjusted with your finger or a flat blade screwdriver Lever can be configured to lock to the front or the rear Superior clamping surface to insure maximum rail engagement
