American Defense 1/3 Lower Mount - AD509T11STD
Lowest Listed Price
MSRP
$114.71
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15% off
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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 1/3 Lower Mount - AD509T11STD
