American Defense AD-B2 Mount – Trusted QD Base for Red Dots & Magnifiers

If you're looking for a quick-detach (QD) mount that won’t quit, the American Defense AD-B2 delivers. Built for shooters who demand zero shift, tool-free convenience, and rugged durability, this QD Auto Lock™ mount is ideal for red dot sights, magnifiers, and tactical optics. Whether you're running an Aimpoint T2, a Vortex magnifier, or a Mini ACOG, the AD-B2 provides a rock-solid base—fast on, fast off, and always on point.

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🔩 Why Choose the AD-B2?

The ADM AD-B2 is designed around the patented Auto Lock™ system, offering secure, repeatable attachment to any MIL-STD-1913 Picatinny rail. Its low-profile form factor and compatibility with co-witness and lower 1/3 optics make it a favorite for professionals and serious shooters.

Key Features:

• Quick Detach Auto Lock™ Lever – No tools required

• Return-to-Zero Performance – Maintains zero after repeated removal

• MIL-SPEC Picatinny Fit – Works with in-spec and out-of-spec rails

• 6061-T6 Aluminum Construction – CNC machined and hardcoat anodized

• Lightweight Design – Ideal for red dots and magnifiers

• Made in the USA – Precision-built in Wisconsin

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🔍 Compatible With:

• Aimpoint Micro T1 / T2

• Trijicon Mini ACOG

• Vortex VMX-3T / Micro Magnifier

• EOTech G33

• Any optic requiring a low-profile or lower 1/3 co-witness QD mount

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🧰 Perfect for:

• Duty and defense rifles

• 3-gun and tactical shooting

• Backup optic mounting

• Range and training use

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⭐ What Shooters Are Saying

"Rock solid—locks up with zero movement and always returns to zero." – Jake M.

"Running it with my Aimpoint T2 and a flip-to-side magnifier. Super easy to use and has held up under real abuse." – Chris L.

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Looking for more ways to upgrade your optics setup? Be sure to browse our full American Defense Manufacturing collection for QD mounts built with the same Auto Lock™ precision as the AD-B2. Need a mount for your rifle scope? Explore our American Defense Scope Mounts page to find cantilever options for LPVOs and high-magnification optics. If you’re setting up a complete platform, check out our AR-15 Accessories category for optics-ready enhancements, or shop all Scope Mounts to compare the AD-B2 with other QD mounting solutions.

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🧠 FAQs – American Defense AD-B2 QD Mount

Q: Does the AD-B2 work with the Aimpoint T2?
A: Yes. The AD-B2 is fully compatible with Aimpoint T1 and T2 models, as well as other red dots that use the same footprint.

Q: Will it return to zero if I remove it?
A: Absolutely. The Auto Lock™ QD lever is designed for true return-to-zero performance, even after repeated dismounting.

Q: What kind of rail does it fit?
A: The AD-B2 fits standard Picatinny rails, including both MIL-STD-1913 and slightly out-of-spec variations.

Q: Can I use this with a magnifier behind my red dot?
A: Yes. It's ideal for pairing with 3x magnifiers from Vortex, EOTech, and other major brands.