Shop EGW precision scope rings in 1-inch, 30mm, and 34mm tube diameters. Every EGW scope ring is manufactured in the USA and CNC-machined for secure optic mounting, consistent clamping, and dependable performance. Compare Keystone, Heavy Duty, and Practical rings to find the right configuration for your rifle, optic, and rail.
Keystone is EGW's flagship scope ring family, combining American manufacturing, precision CNC machining, and versatile cross-slot compatibility. Keystone rings are available for 1-inch, 30mm, and 34mm scope tubes in multiple heights and are designed to work with Picatinny and Weaver-style rails.
Shop Keystone Scope RingsScope Ring Selection Guide Scope Ring Height Calculator Heavy Recoil Scope Ring Guide
The right scope rings create a secure mechanical connection between your optic and mounting rail. Choosing the correct rings requires matching the scope tube diameter, selecting a compatible rail interface, and finding a height that provides sufficient clearance while maintaining a comfortable cheek weld.
Start with the diameter of your scope's main tube. This measurement must match the ring diameter exactly.
The objective-lens diameter does not determine the ring diameter. A scope with a 50mm objective may still have a 1-inch, 30mm, or 34mm main tube.
EGW's flagship scope ring family. Keystone rings are available in multiple tube diameters and heights and are compatible with Picatinny and Weaver-style rails.
Shop Keystone RingsBuilt for Picatinny rails and intended for shooters who want a robust mounting system for demanding rifle applications.
Practical rings use a Weaver-style cross-slot design and work with both Weaver and Picatinny rails.
Ring height affects objective clearance, bolt-handle clearance, cheek weld, head position, and overall shooting comfort. The lowest usable ring is often preferred, but there is no universal ring height based only on objective-lens size.
Accurate height selection must account for:
EGW scope rings are manufactured in the USA and precision CNC-machined at our Quakertown, Pennsylvania facility. Keeping manufacturing under our control allows EGW to maintain consistent machining, inspect critical dimensions, and offer multiple ring families, diameters, and heights for different shooting applications.
Keystone represents the flagship of the EGW scope ring lineup. It gives shooters a versatile American-made option for Picatinny and Weaver-style rails while supporting a wide range of hunting, target, competition, and precision rifle configurations.
Correct installation is as important as choosing the correct ring. Always follow the instructions and torque specifications supplied with the exact EGW ring model and the recommendations provided by the scope manufacturer.