Details: Used. American Defense Manufacturing AD-B2 Modular Base.
ADM’s Description: The AD-B2 modular base is the medium base in our modular lineup. It is designed to accept several different risers to accommodate a variety of optics. Standalone, it is ideal for the 1.5-3x Power Mini ACOG Scopes, such as the TA33 and TA44. This mount will also fit the Nvision Halo LR thermal scope, Sightmark Wraith Mini, and Primary Arms GLX 2x, SLX 1x/3x Prism Scopes. The overall length of the base is 2.1″. 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.
RKB Armory’s Opinion: This is a high-quality mount, for a good price. It also works on the new Primary Arms micro-prism optics.