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American Defense Mfg. Large Modular Base with QD Lever 6061 T6 Aluminum Black AD-B3
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Brand: American Defense MFG B3BASE
Item: 2-ADMB3BASE
UPC: 818503010040

American Defense is the name you can trust to securely mount your optics. Trusted across the country for reliable lockup to all picatinny rails, in-spec or out of spec, and known for durability, lightweight, and simple use; there is no better option than an American Defense Manufacturing optics mount.

The AD-B3 modular base is the large base in our 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 overall length of the base is 3.5". 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.

Base Specifications and Features:
Precision machined from 6061 T6 Aluminum
Hard coat anodized for a lifetime of performance
Fully adjustable to fit both in spec and out of spec rail systems
American Defense MFG, LLC. products feature a lifetime warranty
Features the Patented QD Auto Lock Lever system
Black
3 oz light weight
Made with pride in the U.S.A

QD Auto Lock Lever System Specifications and Features:
The AD-B3 Modular base features 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
Lever can be configured to lock to the front or the rear
Superior clamping surface to insure maximum rail engagement


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Customer Reviews

Most Helpful Customer Reviews

0 of 0 people found the following review helpful
5.0 Rating Solid - 8/2/2012
Reviewer: JB
Very good QD mount. Easy to install and it comes with easy instructions and all parts needed, from tools to anti shock LocTite. Be sure to adjust the tension (instructions are supplied) to have a tight lock onto upper receiver. Also, be sure to zero scope if moving from carry handle mounting location to flat top, scope will be lowered. The locking arm has to be broken in and will be hard to unlock the first few times. Very nice mount for the price.
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0 of 0 people found the following review helpful
5.0 Rating American Defense QD mount. - 4/10/2014
Reviewer: cabbynate
American Defense makes one of the best QD mounts out there. It does not damage your rail like some and it is adjustable and holds the adjustment better than most. If I can get an American Defense for my application I do.
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American Defense Mfg. Large Modular Base with QD Lever 6061 T6 Aluminum Black AD-B3
American Defense Mfg. Large Modular Base with QD Lever 6061 T6 Aluminum Black AD-B3
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