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AD – 509T Holosun 509T Co – Witness QD Mount

Original price was: $116.07.Current price is: $29.01.

UPC

810008517819

Manufacturer

American Defense Mfg

Manufacturer Part Number

AD-509T-10-STD

Product Type

Mount

Model

AD-509T

Color

Black

Description

The American Defense Mfg AD-509T is a one-piece quick-release mount designed specifically for the Holosun 509T red dot. Intended for AR pistols and other platforms that require a compact optic solution, the mount prioritizes durability while remaining lightweight. It is precision machined from 6061 T6 aluminum and finished in hard coat T3 Mil-Spec anodize for corrosion and wear resistance. The patented QD Auto Lock Lever accommodates both in-spec and out-of-spec rail systems for secure attachment.

Key Specifications

Brand: American Defense Mfg.

Model: AD-509T.

Compatible footprint: Holosun 509T Footprint.

Mount configuration: Co-Witness.

Construction material: 6061 T6 aluminum.

Finish: Hard coat T3 Mil-Spec anodize.

Color: Black.

Release system: Patented QD Auto Lock Lever.

Attachment style: Quick Release.

Product type: Mount.

Engineered for reliable, low-profile optic integration, the AD-509T Co-Witness mount provides a practical solution for shooters who need a durable, repeatable mounting platform for the Holosun 509T. Its combination of precision machining, robust finish, and an automatic-locking QD lever make it suitable for users seeking a straightforward, dependable optic mount.

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