BILLION DUO Cantilever Scope Mount

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The BILLION DUO L3212 is a dual-ring cantilever scope mount designed to fit both 30mm and 25.4mm (1-inch) scope tubes onto any standard 20mm Picatinny or Weaver rail. It offers a forward-offset mounting position that helps extend eye relief and accommodates a variety of optics configurations. Overall, it presents a budget-friendly option for shooters looking for versatility without investing in separate mount systems.
Key Features & Specs
| Compatibility | Fits 30mm and 25.4mm (1-inch) scope tubes, mounts to standard 20mm Picatinny and Weaver rails |
|---|---|
| Design | Cantilever dual-ring design provides forward offset for improved eye relief and flexible scope positioning |
| Material | Constructed from aluminum alloy for a balance of lightweight build and reasonable durability |
| Ring Attachment | Dual-ring configuration with screw-tightened caps to secure the scope tube firmly in place |
| Extra Function | Features an integrated flashlight or accessory mount base compatible with standard 20mm rail accessories |
| Dimensions | Model L3212 profile is compact enough for most standard rifle and airgun setups without excessive bulk |
| Installation | Tool-assisted installation with included screws; designed for straightforward setup without permanent modification |
Best for: Budget-conscious shooters and airgun enthusiasts who need a versatile, dual-size compatible scope mount with a cantilever offset and the added convenience of an accessory rail for lights or lasers.