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American Defense Manufacturing AD-B3-HD Modular Base Up to $9.90 Off — Free 2 Day Shipping w/ code 2DAYAIR — 5 models

Special offer available for this product. Click here to see!
American Defense Manufacturing AD-B3-HD Modular Base, Standard Lever, Black, AD-B3-HD STD
American Defense Manufacturing AD-B3-HD Modular Base, Tactical Legacy Lever, Flat Dark Earth, AD-B3-HD-FDE-TAC
American Defense Manufacturing AD-B3-HD Modular Base, Tactical Legacy Lever, Black, AD-B3-HD-BLK-TAC
American Defense Manufacturing AD-B3-HD Modular Base, Standard Lever, Flat Dark Earth, AD-B3-HD STD FDE
American Defense Manufacturing AD-B3-HD Large Modular Base, Black, AD-B3-HD STD-TL
American Defense Manufacturing AD-B3-HD Modular Base, Tactical Legacy Lever, Black, AD-B3-HD-BLK-TAC
American Defense Manufacturing AD-B3-HD Modular Base, Standard Lever, Flat Dark Earth, AD-B3-HD STD FDE
American Defense Manufacturing AD-B3-HD Modular Base, Standard Lever, Flat Dark Earth, AD-B3-HD STD FDE
American Defense Manufacturing AD-B3-HD Modular Base, Standard Lever, Flat Dark Earth, AD-B3-HD STD FDE
American Defense Manufacturing AD-B3-HD Modular Base, Standard Lever, Flat Dark Earth, AD-B3-HD STD FDE
American Defense Manufacturing AD-B3-HD Large Modular Base, Black, AD-B3-HD STD-TL
American Defense Manufacturing AD-B3-HD Large Modular Base, Black, AD-B3-HD STD-TL
American Defense Manufacturing AD-B3-HD Modular Base, Standard Lever, Black, AD-B3-HD STD
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American Defense Manufacturing AD-B3-HD Modular Base, Standard Lever, Black, AD-B3-HD STD
American Defense Manufacturing AD-B3-HD Modular Base, Tactical Legacy Lever, Flat Dark Earth, AD-B3-HD-FDE-TAC
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American Defense Manufacturing AD-B3-HD Modular Base, Tactical Legacy Lever, Flat Dark Earth, AD-B3-HD-FDE-TAC
American Defense Manufacturing AD-B3-HD Modular Base, Tactical Legacy Lever, Black, AD-B3-HD-BLK-TAC
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American Defense Manufacturing AD-B3-HD Modular Base, Tactical Legacy Lever, Black, AD-B3-HD-BLK-TAC
American Defense Manufacturing AD-B3-HD Modular Base, Standard Lever, Flat Dark Earth, AD-B3-HD STD FDE
4 of 12 images
American Defense Manufacturing AD-B3-HD Modular Base, Standard Lever, Flat Dark Earth, AD-B3-HD STD FDE
American Defense Manufacturing AD-B3-HD Large Modular Base, Black, AD-B3-HD STD-TL
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American Defense Manufacturing AD-B3-HD Large Modular Base, Black, AD-B3-HD STD-TL
American Defense Manufacturing AD-B3-HD Modular Base, Tactical Legacy Lever, Black, AD-B3-HD-BLK-TAC
6 of 12 images
American Defense Manufacturing AD-B3-HD Modular Base, Tactical Legacy Lever, Black, AD-B3-HD-BLK-TAC
American Defense Manufacturing AD-B3-HD Modular Base, Standard Lever, Flat Dark Earth, AD-B3-HD STD FDE
7 of 12 images
American Defense Manufacturing AD-B3-HD Modular Base, Standard Lever, Flat Dark Earth, AD-B3-HD STD FDE
American Defense Manufacturing AD-B3-HD Modular Base, Standard Lever, Flat Dark Earth, AD-B3-HD STD FDE
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American Defense Manufacturing AD-B3-HD Modular Base, Standard Lever, Flat Dark Earth, AD-B3-HD STD FDE
American Defense Manufacturing AD-B3-HD Modular Base, Standard Lever, Flat Dark Earth, AD-B3-HD STD FDE
9 of 12 images
American Defense Manufacturing AD-B3-HD Modular Base, Standard Lever, Flat Dark Earth, AD-B3-HD STD FDE
American Defense Manufacturing AD-B3-HD Modular Base, Standard Lever, Flat Dark Earth, AD-B3-HD STD FDE
10 of 12 images
American Defense Manufacturing AD-B3-HD Modular Base, Standard Lever, Flat Dark Earth, AD-B3-HD STD FDE
American Defense Manufacturing AD-B3-HD Large Modular Base, Black, AD-B3-HD STD-TL
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American Defense Manufacturing AD-B3-HD Large Modular Base, Black, AD-B3-HD STD-TL
American Defense Manufacturing AD-B3-HD Large Modular Base, Black, AD-B3-HD STD-TL
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American Defense Manufacturing AD-B3-HD Large Modular Base, Black, AD-B3-HD STD-TL

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Questions & Answers
Will this work with a sightmark wraith? Expert Answer

Yes. The American Defense Manufacturing AD-B3-HD Modular Base fits scopes with similar ACOG Style Bases such as the Burris AR-332 and newer model Trijicon RX-30 optics with 3 inline mounting holes. Compatible with the Sightmark Wraith HD and 4K line of Digital Riflescopes.

by Ethan, Gear Expert, May 27, 2022
Is this mount ACOG compatible? Expert Answer

Yes. The American Defense Manufacturing AD-B3-HD Modular Base is for the full sized 3x Power ACOG scopes, such as the TA01, TA11, TA31 and the VCOG. Also fits scopes with similar ACOG Style Bases such as the Burris AR-332 and newer model Trijicon RX-30 optics with 3 inline mounting holes. It is also compatible with the Sightmark Wraith HD and 4K line of Digital Riflescopes.

by Ethan, Gear Expert, February 2, 2022
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
AMERICAN DEFENSE QD MOUNT by GATORS10, Verified Owner, August 14, 2018
THIS IS A PERFECT MOUNT FOR ANY TRIJICON ACOG SIGHT. FIT IS PERFECT AND LOCK UP SOLID AND IN PLACE. ONCE YOU GET THIS MOUNT SET, IT'S ON AND ISN'T GOING TO MOVE. EASY TO REMOVE AND WHEN PLACED BACK ON GUN HOLDS ZERO. LIGHT WEIGHT SOLID CONSTRUCTION. ...
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3/3 found this helpful
Helpful Positive Review
American defense ad-b3-hd by Ryan, April 9, 2018
This is my third American defense qd mount. This mount fit perfectly on a primary arms 3x prism. Very impressed with the quality. Locking levers seem very rugged. Have not tested the return to zero on this particular mount but all others I have tried...
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4/4 found this helpful
Most Recent Reviews
Too bulky. by Bg Spndr, Verified Owner, June 18, 2026
With two throw levers this mount starts to get really bulky fast. I returned this and am searching for a much more compact ACOG mount still. There's no reason to have quick releases for my application as I don't intend to put back up sights on the ri...
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Most Recent Reviews
excellent mount by travesty, Verified Owner, April 3, 2024
I picked the FDE model, great color. Base is easy to adjust tension on rail, no tools needed. Mount is low profile, and everything that I was looking for
Most Recent Reviews
Perfect fit! by Rover, November 13, 2023
Love this piece, attached it to my burris 536 and it fit just as I had hoped.
Most Recent Reviews
Best mounting system on the market by Flathead Fred, December 25, 2021
These are the best quick detachable mounts on the market. Perfect Zero every time. Super high quality… Great price. I use these on many guns. Have always had excellent results. Adjustments and fit are perfect. Military quality as expected.
Read All 7 Reviews

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Product Info for American Defense Manufacturing AD-B3-HD Modular Base

The AD-B3-HD modular base is the large base in our modular lineup. This mount is similar to the AD-B3, but it features a second throw lever for added mount security. Standalone it is mount for for the full sized 3x Power ACOG scopes, such as the TA01, TA11, TA31 and the VCOG. Also fits scopes with similar ACOG Style Bases such as the Burris AR-332 and newer model Trijicon RX-30 optics with 3 inline mounting holes. Compatible with the Sightmark Wraith HD and 4K line of Digital Rifle Scopes. 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(tm) Lever system to accommodate both in spec and out of spec rail systems.image

Specifications for American Defense Manufacturing AD-B3-HD Modular Base:

Manufacturer: American Defense Manufacturing
Fabric/Material: 6061-T6 Aluminum
Length: 3.5 in
Weight: 3.9 oz
Condition: New
Finish: T3 Mil-Spec Anodize
Hand: Ambidextrous
Gun Type: Rifle

Features of American Defense Manufacturing AD-B3-HD Modular Base

  • 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.
  • 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.
  • Features the Patented QD Auto Lock Lever system.

Package Contents:

  • American Defense Manufacturing AD-B3-HD Modular Base

American Defense Manufacturing AD-B3-HD Modular Base Orderable Models

List of Orderable Models

  • American Defense Manufacturing AD-B3-HD Modular Base, Standard Lever, Black, AD-B3-HD STD , MPN: AD-B3-HD-STD , UPC: 818503019593 , Code: 26S-SCM-ADB3HD-AD-B3-HD-STD
  • American Defense Manufacturing AD-B3-HD Modular Base, Tactical Legacy Lever, Flat Dark Earth, AD-B3-HD-FDE-TAC , MPN: AD-B3-HD-FDE-TAC , UPC: 818503013171 , Code: 26S-SCM-ADB3HD-AD-B3-HD-FDE-TAC
  • American Defense Manufacturing AD-B3-HD Modular Base, Tactical Legacy Lever, Black, AD-B3-HD-BLK-TAC , MPN: AD-B3-HD-TAC , UPC: 818503019609 , Code: 26S-SCM-ADB3HD-AD-B3-HD-TAC
  • American Defense Manufacturing AD-B3-HD Large Modular Base, Black, AD-B3-HD STD-TL , MPN: AD-B3-HD-TL , UPC: 810008512395 , Code: 26S-SCM-ADB3HD-AD-B3-HD-TL
  • American Defense Manufacturing AD-B3-HD Modular Base, Standard Lever, Flat Dark Earth, AD-B3-HD STD FDE , MPN: AD-B3-HD-FDE-STD , UPC: 818503012037 , Code: 26S-SCM-ADB3HD-AD-B3-HD-FDE-STD

American Defense Manufacturing AD-B3-HD Modular Base Unavailable & Discontinued Models

List of Unorderable Models

  • Open Box, Dealer Demo, American Defense Manufacturing AD-B3-HD Modular Base, Tactical Legacy Lever, Flat Dark Earth, AD-B3-HD-FDE-TAC , MPN: AD-B3-HD-FDE-TAC-DMO , Code: 26S-SCM-ADB3HD-AD-B3-HD-FDE-TAC-DMO
  • American Defense Manufacturing AD-B3-HD Large Modular Base, Flat Dark Earth, AD-B3-HD STD FDE-TL , MPN: AD-B3-HD-FDE-TL , UPC: 810008512401 , Code: 26S-SCM-ADB3HD-AD-B3-HD-FDE-TL
  • Open Box, Dealer Demo, American Defense Manufacturing AD-B3-HD Large Modular Base, Black, AD-B3-HD STD-TL , MPN: AD-B3-HD-TL-DMO , Code: 26S-SCM-ADB3HD-AD-B3-HD-TL-DMO
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Last updated 2026-07-10 UTC.