The AD-DELTA cantilever scope mount from American Defense Mfg is designed to attach high-power optics to flattop AR-15 receivers. It accepts 30mm rings and provides a cantilevered design with 2 inches of built-in eye relief to position optics for proper shooter alignment. The mount is precision machined from 6061 T6 aluminum and finished in a hard coat T3 Mil‑Spec anodize for durable corrosion resistance. Horizontal split rings and a patented QD Auto Lock Lever system allow the mount to accommodate both in-spec and out-of-spec rail interfaces.
Key Specifications
- The rings fit 30mm optics.
- The model is AD-DELTA.
- The mount type is a cantilever scope mount for flattop receivers.
- Built-in eye relief measures 2 inches.
- Ring spacing measures 4.4 inches.
- Material is 6061 T6 aluminum precision machined.
- Finish is hard coat T3 Mil‑Spec anodize.
- Fitment is for Picatinny rails.
- Features include horizontal split rings and a patented QD Auto Lock Lever system to accommodate varied rail tolerances.
- Color is black.
Built for shooters who demand durable, repeatable optic mounting on modern sporting rifles, the AD-DELTA blends lightweight materials, precise machining, and a secure quick-detach system to support consistent zero and reliable field performance.





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