Rings, Mounts & BasesAmerican Defense ManufacturingSold by Brownells

American Defense Manufacturing

Acog/Modular Bases - Mini-Acog Mount 1.5-3x Power

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Ad-b2 Modular

Base in American Defense Manufacturing’s

Designed Accept

Several different risers for a

1.5x-3x Power

Mini ACOG scopes, including TA33

Ad-b3 Base

Fits full-sized 3x Power ACOG

Also Fits

Similar ACOG-style bases, including the

$96.36
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SKU: 100004583

Overview

This modular base is built for mounting Mini ACOG-style optics and is intended for setups that need a compact, adaptable platform. In standalone use, it is suited to 1.5-3x power Mini ACOG scopes such as the TA33 and TA44, while its modular design allows it to accept different risers for other optic configurations. For hunters and shooters who want a mount that can be tailored to specific needs without changing the core base, it offers a practical, purpose-driven option. American Defense Manufacturing positions it within a broader modular lineup, giving it a clear role for users building around ACOG-style optics.

Why Hunters Choose the American Defense Manufacturing

Designed As

Medium base in the modular

Standalone Fit

Is ideal for 1.5x–3x Mini

Accepts Several

Different risers to accommodate a

Compatible Full-sized

Full-sized 3x ACOG scopes and

Made American

Defense Manufacturing, a clearly identified

Key Features

  • AD-B2 modular base in American Defense Manufacturing’s modular lineup
  • Designed to accept several different risers for a variety of optics
  • Ideal for 1.5x-3x Power Mini ACOG scopes, including TA33 and TA44
  • AD-B3 base fits full-sized 3x Power ACOG scopes such as TA01, TA11, and TA31
  • Also fits scopes with similar ACOG-style bases, including the Burris AR-332
  • AD-B3 overall length is 3.5 inches

Best Used For

  • Ideal for mounting 1.5–3x Mini ACOG scopes such as the TA33 or TA44.
  • Suited to hunters needing a modular base that accepts different risers.
  • A practical choice for users building a flexible optic setup around ACOG-style bases.
  • Works for those wanting a standalone base for compact 1.5–3x power optics.

Pros

  • Designed as the medium base in the modular lineup for flexible optic setup options.
  • Standalone fit is ideal for 1.5x–3x Mini ACOG scopes, including TA33 and TA44.
  • Accepts several different risers to accommodate a variety of optics and uses.
  • Compatible with full-sized 3x ACOG scopes and similar ACOG-style bases.
  • Made by American Defense Manufacturing, a clearly identified brand in the listing.

Considerations & Trade-offs

  • The AD-B2 is described as the medium base in the modular lineup, so it is sized around Mini ACOG use rather than being a universal one-piece solution for every optic setup.
  • It is designed to accept several different risers, which adds flexibility, but also means the final setup depends on the riser selected rather than the base alone.
  • The product information identifies it as ideal for 1.5–3x Power Mini ACOG scopes such as the TA33 and TA44, so compatibility should be checked carefully if your optic falls outside that range.
  • The description does not provide full dimensional details for the AD-B2 itself, so fit planning may require confirming the exact mount configuration before purchase.

Suggested Comparisons

  • Optic risers
  • ACOG-style scope mounts
  • Modular scope bases
  • Rifle optic mounting systems

Suggested Accessories

  • Optic risers
  • Scope mount hardware
  • Mounting tools
  • Protective lens covers

Frequently Asked Questions

Which optics is the AD-B2 modular base intended for when used on its own?

According to the product description, the AD-B2 is ideal for 1.5-3x Power Mini ACOG scopes, including the TA33 and TA44.

Can this modular base be used with other optics besides Mini ACOG scopes?

The description says the AD-B2 is designed to accept several different risers to accommodate a variety of optics, but it does not list additional specific optics beyond the Mini ACOG examples.

What brand makes this modular base?

The manufacturer listed is American Defense Manufacturing.

Is the AD-B2 the same size as the AD-B3 or AD-B4?

No. The description identifies the AD-B2 as the medium base in the modular lineup, while the AD-B3 is the large base and the AD-B4 is the largest base.

What is the overall length of the base?

The provided description states an overall length of 3.5, but the unit is not clearly shown in the source data.