Home / Optics & Mounting / American Defense Mfg / American Defense Mount Co-Witness Black QD Holosun 509T - AD-509T-10-STD
American Defense Mount Co-Witness Black QD Holosun 509T - AD-509T-10-STD
Lowest Price
MSRP
$114.71
Savings
27% off
Verified In Stock at
11 Stores
Updated
Aug 26, 2026
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Can be adjusted with your finger or a flat blade screwdriver.
Does not require proprietary tools for adjustment.
Lever can be configured to lock to the front or the rear.
Superior clamping surface to insure maximum rail engagement.
The AD-509T QD mount features the Patented QD Auto Lock Lever system.
Specifications
Description
American Defense Mount Co-Witness Black QD Holosun 509T - AD-509T-10-STD
