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The AD-B3 modular base is the large base in the American Defense modular lineup. Standalone it is mount for for the full sized 4x Power ACOG scopes, such as the TA01 and TA31. Alternatively it can accept several different risers to accommodate a variety of uses. The base itself is 3.5″ long. 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.FeaturesThe AD-B3 Modular base features the Patented QD Auto Lock™ Lever system which has the following advantages
Materials & ConstructionThe 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.