BILLION DUO Cantilever Scope Mount
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The BILLION DUO LD-3001-K is a dual-ring cantilever scope mount compatible with both 30mm and 1-inch scope tubes, mounting onto any standard 20mm Picatinny rail via a quick-detach lever base. Its cantilever design shifts the optic forward to improve eye relief and stock positioning. It strikes a reasonable balance between affordability and functional reliability for recreational and tactical shooters.
Key Features & Specs
| Compatibility | Fits both 30mm and 1-inch (25.4mm) scope tubes; mounts on 20mm Picatinny rails |
|---|---|
| Mount Type | Cantilever design with quick-detach (QD) lever base for tool-free removal and reattachment |
| Ring Style | Dual-ring configuration providing enhanced stability and reduced scope cant |
| Material | Aluminum alloy construction for a lightweight yet rigid hold |
| Eye Relief | Forward-offset cantilever extends optic position to improve shooting eye relief and comfort |
| Zero Retention | QD lever base designed to return to zero consistently after removal and remounting |
| Rail Standard | Designed specifically for 20mm Weaver and Picatinny rail systems |
Best for: Recreational shooters and tactical enthusiasts who want a versatile, quick-detach cantilever mount that accommodates multiple scope tube sizes without requiring dedicated tools for swaps.