S.C.M. Upper Base Part for Rings

• Ring Upper Replacement Part: This S.C.M. upper base part is intended as a direct replacement for the upper section of compatible ring assemblies, making it useful when restoring a mount without replacing the complete system.
• 6.50 mm BH Height: The specified height helps preserve the original ring geometry, which matters for maintaining the correct optic position and consistent alignment on the rifle.
• 0° Offset Angle: A neutral offset keeps the mounting interface straightforward and suitable for standard scope positioning where no built-in cant is required.
• Black Finish: The black exterior matches common scope mount components and helps the part blend cleanly with existing hunting optics or tactical optics setups.
• Made in Italy: Italian manufacture reflects S.C.M.’s focus on dedicated mounting components for firearm optics and supports consistent fit within the brand’s mount system.

About the - Series

Leupold’s Quick Release (QR) system was developed around a lever-operated locking design that secures QR rings into steel bases while allowing the optic to be removed and reattached as needed. Within Leupold’s mounting lineup, the series is known for combining a traditional steel-base layout with the convenience of repeatable removal, which made it especially relevant for shooters who alternate between optics or need easier transport and storage.

A defining characteristic of the QR family is its ability to let multiple scopes share one rifle, provided each optic is set up with compatible QR rings. Leupold also positioned the system for rifles that see heavier recoil, and described it as a popular choice for muzzleloaders and large-caliber rifles. The design philosophy centers on practical repeatability rather than constant adjustment, with the mounts intended to return close to zero after reinstallation. QR bases were offered in one-piece and two-piece configurations, giving shooters flexibility in how they balance access to the action, mounting length, and overall rifle setup.

About the S.C.M. Upper Base Part for Rings

The S.C.M. Upper Base Part for Rings is a specialized replacement component for shooters who need to restore or complete a compatible ring assembly without changing the entire mount. In practical terms, that makes it useful for maintenance, repair, or keeping an existing optics setup in service when only the upper section of the ring needs replacement. Because this part belongs to the mounting system rather than the optic itself, its value lies in preserving the original fit and clamping structure of the ring.

The specified 6.50 mm BH height is important because ring components need to match the original dimensions of the mount in order to keep the riflescope seated correctly. A mismatch in height or profile can affect alignment, clamping pressure, and overall mounting consistency. The 0° offset angle keeps the part neutral, so it suits standard installations where no additional cant is built into the mount. Its black finish gives it a clean visual match with common scope rings, bases, and riflescope bodies, which is especially relevant when replacing a visible external part rather than a hidden internal component.

As an Italian-made S.C.M. mount component, this upper base part fits the brand’s emphasis on dedicated optic-mounting hardware. It is best understood as a practical service part: small, simple, and important for maintaining a secure and properly aligned riflescope mounting setup.

About S.C.M.

S.C.M. specializes in firearm optic mounts and related mounting components, with a product range built around the needs of riflescope, red-dot, and night-vision users. Its catalog includes rotating quick-release mounts, Picatinny rails, scope rings, and mount bases, showing a clear focus on the interface between the firearm and the optic rather than on optics themselves. S.C.M. products are identified as made in Italy, and the brand is associated with mounting solutions for selected Browning, Benelli, and Winchester rifles. Across the range, S.C.M. offers configurations for different sighting systems, including Picatinny, Docter, Aimpoint, and 30 mm ring setups, which reflects a practical approach to compatibility across hunting optics and related accessories.

Main Features

• Manufacturer: S.C.M.
• Made in: Italy
• BH height: 6.50 mm
• Offset angle: 0°
• Bubble level: No
• Color: Black

Warranty

2 years. This S.C.M. upper base part is covered by a two-year warranty period.