American Defense Mfg. Holosun 509T Co-Witness QD Red Dot Mount with Auto Lock Lever AD-509T-10-STD

Product Description

The American Defense AD-509T QD mount is purpose-built to mount the Holosun 509T red dot to AR pistols and other compact weapon platforms where a small, lightweight optic solution is essential. This one-piece mount is precision machined from 6061‑T6 aluminum and finished with a hard coat Type III Mil‑Spec anodize for durability. It delivers absolute co-witness height and employs American Defense’s patented QD Auto Lock Lever system for secure, repeatable attachment to both in-spec and out-of-spec Picatinny rails without proprietary tools.

Product Highlights

• Patented QD Auto Lock Lever provides secure lock-up and reliable return to zero
• Absolute co-witness optic height for fast alignment with iron sights
• One-piece 6061-T6 aluminum construction with Type III hard coat anodized finish
• Tool-less adjustment; can be set with your finger or a flat-blade screwdriver
• Fits in-spec and out-of-spec Picatinny rails; lever can lock to the front or rear

Specs

• Compatibility: Holosun 509T red dot sight
• Mount Type: Red dot mount, absolute co-witness height
• Lever: Standard lever with patented QD Auto Lock system
• Material: 6061-T6 aluminum, one-piece body
• Finish: Hard coat Type III Mil-Spec anodized, matte black
• Rail Interface: Picatinny (in-spec and out-of-spec)
• Country of Manufacture: USA
• Brand: American Defense Mfg.
• MPN: AD-509T-10-STD
• UPC: 810008517819

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