The Rusan Modular Adapter Clamp is available in multiple diameters to match your riflescope’s objective bell—choose the size that corresponds to your scope’s outer diameter for a secure, tool-free fit with thermal or night vision clip-ons.
Precision fit. Repeatable accuracy. Built for low-light versatility.
📏 Available Sizes (Outer Objective Diameter)
Clamp Size
Use Case
48 mm
Compact scopes, lightweight optics
50 mm
Common hunting scopes
57.2 mm
Mid-size European optics
57.5 mm
Popular Pulsar & Zeiss models
62 mm
Large objective scopes
63.5 mm
Oversized tactical optics
65 mm
High-magnification long-range scopes
🛠️ Shared Features
Modular Design – Interfaces with Rusan bayonet-style connectors (sold separately) for thermal/NV attachments
Secure Fitment – Three-screw clamp ensures repeatable zero and firm hold
Slim Profile – Lower profile than lever-lock models, reducing bulk and snag risk
Durable Construction – CNC-machined aluminum with matte black finish for corrosion resistance
High Repeatability – Maintains zero even after repeated attachment/removal cycles
⚙️ Compatibility Tips
Requires a Rusan connector (not included) to link with your thermal or NV device
Compatible only with scopes that have exact outer objective diameters of 62mm or 63.5mm—measure carefully before ordering
Ideal for hunters, tactical shooters, and night operators needing fast, tool-free transitions between optics
🛠️ How to Choose the Right Size
Measure the outer diameter of your riflescope’s objective bell (not the lens itself). Match it to the closest clamp size above. If you're between sizes, choose the next size up and use a shim for secure fit.