EAW Roll-off Mount Base for Ruger M 77

• Ruger-specific fit: This base is made for the Ruger M 77 family, giving the roll-off mount a secure platform that matches the rifle interface and supports consistent alignment.
• EAW Ø 7 mm interface: The upper interface is designed for EAW Ø 7 mm components, making it easy to build a compatible mounting setup within the EAW system.
• Aluminium construction: The aluminium body keeps weight down while still providing the rigidity needed for a stable optic mounting foundation on hunting and sporting rifles.
• KR 18.0 mm extension: The KR 18.0 mm configuration helps position the mount correctly within the system, which is useful when balancing scope placement and eye relief.
• 0 MOA inclination: With 0 MOA built in, the base suits standard sighting setups where a neutral mounting angle is preferred for general-purpose rifle use.

About the EAW Roll-off Mounts Series

EAW Roll-off Mounts sit in the brand’s range as a practical, cost-conscious alternative to its pivot mounts, especially for lighter rifle setups. The series is built around the idea that an optic should be removable and reattached without turning the rifle into a permanent one-scope platform. That makes the system attractive for shooters who want flexibility in how a rifle is configured, whether for changing optics, transport, or maintenance.

The family includes one-piece and two-piece designs, with versions for different firearm interfaces and mounting styles. EAW also offers both fixed and lever-lock variants within the broader roll-off concept, so the series covers straightforward installations as well as repeatable detachable setups. A key characteristic is the brand’s modular approach: the mount is not just a single part, but part of a system that can be adapted to different rifles and optic combinations. In practice, that gives the Roll-off Mounts series a clear role in the EAW lineup: a compact, mechanically simple mounting solution for users who value interchangeability and a clean rifle-specific fit.

About the EAW Roll-off Mount Base for Ruger M 77

The EAW Roll-off Mount Base for Ruger M 77 is the rifle-specific lower component that anchors an EAW roll-off setup to compatible Ruger M 77-pattern rifles. As a base for the system rather than a complete mount, its main job is to provide the correct connection between the rifle and the upper mounting components. That rifle-specific fit matters in practice because it helps preserve proper alignment and gives the rest of the mount a stable starting point.

The base is made from aluminium, which keeps the assembly lighter than a comparable steel part and suits hunting or field rifles where unnecessary weight is best avoided. Its black finish gives it a subdued appearance that blends well with modern rifles and optics. The 0 MOA inclination keeps the setup neutral, which is appropriate for conventional zeroing distances and general-purpose sporting use rather than specialised long-range cant. The KR 18.0 mm extension is part of the mount geometry and helps the system achieve the intended positioning within the EAW platform.

Compatibility is a major strength here. On the upper side, the base works with the EAW Ø 7 mm interface, allowing it to serve as part of a broader modular mounting arrangement. On the lower side, it is listed for a wide range of Ruger models, including Ruger M77 SA and Ruger M77 LA, as well as several related Ruger actions. For shooters already invested in EAW components, this base is the part that adapts that modular system to the Ruger rifle footprint.

About EAW

EAW traces its origins to 1919, when Ernst Apel founded the company in Würzburg, Germany. The business took on the EAW name after Ernst Apel acquired Elektro-Dental-Werke Frankfurt in 1923 and changed the EDW brand to EAW, meaning Ernst Apel Würzburg. The company developed its first riflescope mounts in 1945, and since 1951 mount development and production have been its primary focus.

Today, EAW is closely associated with German-made riflescope mounting systems, including pivot, slide-on or roll-off, and claw mounts. That long specialisation is important in this category because mount design depends on precise machining, repeatable fit, and a clear understanding of how rifles, optics, and recoil interact. EAW later moved production from Würzburg to Gerbrunn in 1970, and Ernst Apel GmbH is now headquartered in Eibelstadt, Germany. Alongside mounts, the company also offers thermal imaging cameras, but its reputation remains strongly tied to durable, rifle-specific optic mounting solutions.

Main Features

• Manufacturer: EAW
• Series: EAW Roll-off Mounts
• Made in: Germany
• Material: Aluminium
• Extension (KR): KR 18.0 mm
• Inclination: 0 MOA
• Colour: Black
• Compatibility above: EAW Ø 7 mm Interface
• Compatibility below: Ruger 77/17 (.17 HMR), Ruger 77/17 (.17 WMR & .17 Hornet), Ruger 77/44, Ruger 77/357, Ruger 77/22 Centerfire, Ruger 77/22 Rimfire, Ruger 77/50, Ruger No. 1, Ruger Mini Thirty (Ranch), Ruger Mini-14 (Ranch), Ruger 99/44 (Deerfield Carbine), Ruger Police Carbine, Ruger 96/44, Ruger M77 SA, Ruger M77 LA

Warranty

EAW provides a 30-year warranty on its mounts and mount parts. For this mount base, that gives long-term support in line with the brand’s focus on durable, serviceable mounting systems.