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American Defense AD-B2 STD
American Defense AD-B2 STD
American Defense AD-B2 STD
American Defense AD-B2 STD

American Defense AD-B2 STD

American Defense · Sights & Optics

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Best price

$96.36at Brownells

In stock checked Oct 1, 2026

Buy at Brownells

Compare 6 stores

Where to buy

StorePriceAvailabilityBuyAdd to build
Brownells Best price $96.36checked Oct 1, 2026 In stock Buy at Brownells
OpticsPlanet $96.36Salechecked Oct 1, 2026 In stock Buy at OpticsPlanet
Ammunition Depot $96.36checked Oct 1, 2026 In stock Buy at Ammunition Depot
Rainier Arms $65.95not checked recently Check store Buy at Rainier Arms
Battlehawk Armory $77.92Salechecked Oct 1, 2026 Check store Buy at Battlehawk Armory
Palmetto State Armory $107.99checked Oct 1, 2026 Check store Buy at Palmetto State Armory

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

Lowest in-stock price in the last 30 days: $96.36 at OpticsPlanet. Dashed line = out of stock. Tracking since Sep 27, 2026.

Show the prices as a table
StoreLatestLowestHighest
Ammunition Depot$96.36$96.36$96.36
Battlehawk Armory$77.92$77.92$77.92
Brownells$96.36$96.36$96.36
OpticsPlanet$96.36$96.36$96.36
Palmetto State Armory$107.99$107.99$107.99

Since Sep 27, 2026.

About this part

The American Defense AD-B2 STD is an optic from American Defense. It's sold by 6 stores (3 in stock), from $65.95 to $107.99. The lowest in-stock price in the last 30 days was $96.36 at OpticsPlanet.

Specifications

Manufacturer
American Defense

From the manufacturer


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. 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.FeaturesThe AD-B2 Modular base features the Patented QD Auto Lock™ Lever system which 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.

Materials & ConstructionThe AD-B2 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.

    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.
    Made with pride in the U.S.A.

SpecificationsThe AD-B2 Modular base has the following specifications:    Weight: 2.30 ounces

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$96.36 at Brownells
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