BILLION DUO Cantilever Scope Mount

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The BILLION DUO LD-3001-K is a dual-ring cantilever scope mount designed to fit both 30mm and 1-inch (25.4mm) scope tubes onto any standard 20mm Picatinny or Weaver rail. It features a quick-detach base for fast installation and removal without losing zero, making it a practical choice for shooters who frequently swap optics. Overall, it offers a solid blend of versatility and convenience at an accessible price point.
Key Features & Specs
| Compatibility | Fits 30mm and 1-inch (25.4mm) diameter scope tubes; attaches to 20mm Picatinny/Weaver rails |
|---|---|
| Mount Style | Cantilever dual-ring design that extends the scope forward for improved eye relief |
| Attachment | Quick-detach (QD) lever base for tool-free mounting and removal while maintaining return-to-zero |
| Material | Aluminum alloy construction with a matte black anodized finish for durability and corrosion resistance |
| Ring Security | Dual rings provide a stable, two-point hold that reduces scope movement under recoil |
| Use Case | Suitable for rifles, AR-style platforms, and airsoft applications using standard 20mm rail systems |
| Model | LD-3001-K |
Best for: Rifle and AR platform owners who want a versatile, quick-detach scope mount that accommodates both 30mm and 1-inch tubes while providing a forward cantilever position for better eye relief.