509T QD Mount

Engineered specifically for the Holosun 509T, this precision QD mount delivers versatile mounting solutions across AR pistols and compact weapon platforms. The single-piece construction combines lightweight performance with robust 6061 T6 aluminum construction, finished in hard coat T3 Mil-Spec anodize for durability. Choose between standard or TAC lever configurations to match your operational needs. Dual co-witness and lower 1/3 co-witness height options provide flexible sight picture alignment, while the patented QD Auto Lock™ Lever system accommodates both in-spec and out-of-spec rail systems for reliable, repeatable mounting across diverse platforms. 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. 30% lighter than our standard mounts.