The American Defense Mfg Holosun 509T Co-Witness Mount (AD-509T) is designed for optimal performance with the Holosun 509T red dot sight on AR pistols and various weapon platforms. Crafted from precision-machined 6061 T6 aluminum, this one-piece mount is both lightweight and durable. It features a hard coat T3 Mil-Spec anodize finish for enhanced resistance to wear and tear. The patented QD Auto Lock Lever system ensures compatibility with both in-spec and out-of-spec rail systems, providing a secure fit for your sight. Upgrade your shooting experience with this reliable and robust mount.
American Defense Mfg Holosun 509T Co-Witness Mount
$111.84
7 in stock
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Engineered for Extremes
The Vault — Where Education Fuels Better Decisions
The Vault is the engine behind Pyrost. It’s where we publish deep-dive articles, field-tested reviews, instructional videos, advocacy content, and wild-game recipes — all designed to help you learn, verify, and apply what actually works.
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