Osuma Single Ring for Osuma Base, 36 mm

• 36 mm Scope Tube Fit: Built for 36 mm riflescope tubes, this single upper ring gives proper clamping support for larger optics used on specialist hunting and precision setups.
• Osuma Base Compatibility: Made for the Osuma Base system, it lets users replace or complete one part of a fixed mount without changing the whole assembly.
• Aluminium Construction: The aluminium body keeps weight down while still providing the rigidity needed to hold scope alignment under regular field use.
• Made in Finland: Designed and manufactured in Finland, this ring follows Osuma’s practical approach to scope mounting for hunting and shooting applications.
• Ø 7 mm Interface Support: Compatibility with EAW, Optilock, Osuma and Recknagel Ø 7 mm interfaces makes it useful in mixed mounting setups where the correct upper component matters.

About the Osuma Osuma Base Rings Series

Osuma Osuma Base Rings are part of the brand’s fixed-mount system, designed to work with Osuma bases as a modular three-part assembly consisting of a base, a bottom ring and a top ring. This layout gives shooters a practical way to build or service a scope mount by replacing only the required component rather than the entire mount. The series covers the common tube diameters used on sporting and specialist optics, including 1 inch, 30 mm, 34 mm, 36 mm and 40 mm, which makes it relevant for everything from conventional hunting riflescopes to larger high-performance optics.

Designed and manufactured in Finland, the series reflects Osuma’s emphasis on straightforward mechanical reliability. The rings are made from high-grade aluminium with an anodized surface, combining low weight with the surface durability expected from a field mount. Depending on tube size, the series is offered in low, medium and high configurations, allowing the mount height to be matched to the optic and rifle combination. In practice, the Osuma Base Rings family suits shooters who want a fixed mounting solution with clean fit, modularity and compatibility across several Osuma base types.

About the Osuma Single Ring for Osuma Base, 36 mm

The Osuma Single Ring for Osuma Base, 36 mm is a replacement or build component for shooters using the Osuma fixed-mount platform with a 36 mm scope tube. Rather than being a complete ring set, this is a single ring, which makes it especially useful when completing a custom mount configuration or replacing one damaged upper part without discarding the rest of the system. For rifles fitted with larger-tube optics, that targeted approach can save both time and unnecessary parts changes.

The ring is made from aluminium, a sensible material choice for scope mounting because it keeps the assembly lighter while still providing the stiffness needed for secure optic support. Its black finish gives it a subdued appearance that matches most riflescopes and mounting hardware. With an extension of KR 0.0 mm, this version is a straightforward non-offset component intended for standard alignment within the mount system rather than for shifting scope position forward or rearward.

Compatibility is a key part of this model’s role. It is intended for the Osuma Base platform and is listed as compatible below with EAW Ø 7 mm, Optilock Ø 7 mm, Osuma Ø 7 mm and Recknagel Ø 7 mm interfaces. That makes it relevant for shooters working with established European-style mounting standards and looking for the correct upper ring component for a 36 mm optic. In practical use, it suits maintenance, repair and modular scope-mount assembly where precise fit matters more than unnecessary complexity.

About Osuma

Osuma is a Finland-based brand focused primarily on rifle scope mounting. Its history goes back to the early 1990s, when the company’s owner developed the first mounts for his own hunting and benchrest shooting needs. That origin helps explain the brand’s practical product philosophy: the range is built around real mounting requirements rather than generic accessories.

Today, Osuma’s portfolio includes scope mounts, scope rings, rail mounts, red-dot and holosight mounts, and suppressors, with more than 150 products in the line. The company is known for products designed and manufactured in Finland, and its scope rings are made from aluminum with an anodized surface. The business has also passed from father to son, giving the brand continuity in a specialist field where fit, repeatability and mechanical simplicity matter. Within this category, Osuma is best known for mounting solutions across systems such as 11 mm, Tikka 17 mm, Sako, Picatinny, Optilock and Blaser.

Main Features

• Manufacturer: Osuma
• Series: Osuma Osuma Base Rings
• Made in: Finland
• Material: Aluminium
• Extension (KR): KR 0.0 mm
• Scope / Sight Type: 36 mm
• Color: Black
• Compatibility Above: 36 mm
• Compatibility Below: EAW Ø 7 mm Interface, Optilock Ø 7 mm Interface, Osuma Ø 7 mm Interface, Recknagel Ø 7 mm Interface

Warranty

Osuma provides a 2-year warranty for this product. That period matches the warranty stated for Osuma products and suits a precision-machined mounting component intended for regular sporting use.