American Defense AD-509T Co-Witness Mount for Holosun 509T
Precision-machined aluminum quick-release mount for Holosun 509T red dots. Co-witness height, hard-coat anodized finish, and patented auto-lock lever system for secure fit on AR pistols and other platforms.
American Defense AD-509T Co-Witness Mount
The AD-509T represents thoughtful engineering for shooters who demand reliability from their optics mounting solutions. This one-piece mount is purpose-built for the Holosun 509T red dot, offering co-witness height positioning ideal for AR pistols and other compact weapon platforms.
Construction & Durability
Material & Finish:
- Precision-machined from 6061 T6 aluminum
- Hard-coat T3 Mil-Spec anodize for superior corrosion resistance
- Lightweight design without sacrificing strength
Key Features
- Quick-Release System: Patented QD Auto Lock Lever mechanism for rapid mount and dismount
- Precision Fit: Accommodates both in-spec and out-of-spec rail systems, ensuring reliable seating
- Co-Witness Height: Positions your optic for optimal sight picture alignment with iron sights
- Holosun 509T Specific: Engineered specifically for the 509T footprint
Why This Mount Matters
A quality optics mount is the foundation of any reliable red dot system. The AD-509T's robust construction and thoughtful design eliminate the frustration of loose mounts or difficult installation. Whether you're building an AR pistol or upgrading an existing platform, this mount delivers the precision and durability serious shooters expect.
Features
- the ad-509t qd mount features the patented qd auto lock lever system.
- does not require proprietary tools for adjustment.
- can be adjusted with your finger or a flat blade screwdriver.
- lever can be configured to lock to the front or the rear.
- superior clamping surface to insure maximum rail engagement.
