American Defense Manufacturing Holosun 509T Quick-Detach Mount, Lower 1/3 Co-Witness, Standard Lever AD-509T-11-STD

Product Description

The American Defense AD-509T Quick-Detach mount is purpose-built for the Holosun 509T red dot, delivering a lower 1/3 co-witness height ideal for AR pistols and compact carbines. Precision machined from 6061-T6 aluminum and finished with a hard coat Type 3 Mil‑Spec anodize, this one-piece mount offers strength without unnecessary weight. The patented QD Auto Lock Lever system provides fast, repeatable attachment and removal on both in-spec and out-of-spec Picatinny rails, with tool-free adjustment and the option to configure the lever to lock forward or rearward.

Product Highlights

• Lower 1/3 co-witness height optimized for Holosun 509T
• Patented QD Auto Lock Lever with standard lever for secure, repeatable zero
• 6061‑T6 aluminum construction with hard coat Type 3 Mil‑Spec anodized finish
• Tool-free adjustment; lever can lock to the front or rear
• Compatible with in-spec and out-of-spec Picatinny rail systems

Specs

• Compatibility: Holosun 509T footprint
• Co‑Witness Height: Lower 1/3
• Material: 6061‑T6 aluminum
• Finish: Hard coat Type 3 Mil‑Spec anodize, matte black
• Mounting System: Patented Quick‑Detach Auto Lock Lever (standard lever)
• Rail Interface: Picatinny, fits in-spec and out-of-spec rails
• Adjustment: Tool-free (finger or flat blade screwdriver)
• Lever Orientation: Configurable to lock front or rear
• Brand: American Defense Mfg.
• MPN: AD-509T-11-STD
• UPC: 810008517642

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