American Defense Mfg | B3 ACOG Mount | Quick-Release

The American Defense Mfg B3 Modular Base is a quick-detach mount designed specifically for full-size ACOG optics. It features a matte black finish and a large-base design intended to provide repeatable, secure mounting. American Defense MFG developed the patented QD Auto Lock System to enable fast, tool-less attachment and consistent return-to-zero. This mount is well suited for range zeroing and field/training use with ACOG-equipped optics.

Product Specifications

• The manufacturer is American Defense Mfg.
• The model is listed as the B3 Modular Base.
• The product type is a Mount for optics.
• The fit is specified as ACOG.
• The model number or label is 4x ACOG.
• The product description indicates a Quick Release design.
• The style is Quick Detach.
• The finish is Matte Black.
• The color is Black.
• The subcategory is Optic Specific Mounts.
• The design incorporates the patented QD Auto Lock System.
• The UPC is 818503010040.

With its quick-detach hardware and large-base footprint, the B3 Modular Base focuses on repeatability and practical function. The matte finish keeps the mount low-profile while the ACOG-specific fit preserves optic alignment during repeated removal and reattachment. For shooters who value reliable, straightforward mounting solutions for range work and training, this mount offers a durable, no-nonsense option.

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