The EGW 30mm Keystone rings in .850" low height are American-made scope rings built to handle demanding hunting and range work without the price tag of premium imports. EGW machined these from 6061 aircraft-grade aluminum and paired them with T15 steel mounting hardware—the kind of attention to detail you notice when you're dialing in a scope or moving between rifles. The low profile positions your optic close to the bore, which matters whether you're running a compact setup on a lightweight rifle or just prefer a lower cheek weld. These rings fit both Picatinny and Weaver rails, so adapter parallelism isn't a barrier.
The horizontally split design means installation is straightforward: mount the lower half to your rail, slide in your scope tube, and tighten down the upper cap. There's no fiddling with shim stacks or fighting geometry. A chromoly crossbolt with a half-inch nut secures each cap, and that design repeats reliably shot after shot. Keystone rings are measured from the top of your base to the center of the ring itself—not a marketing trick—so the .850" low spec sits low enough for most hunting and target configurations on standard-height rails.
If you're building or rebuilding a rifle and don't want to overspend on rings, the Keystone line proves you don't have to. These are solid mid-tier carriers that won't shift, won't surprise you, and will last. EGW makes them in-house, which shows in the fit and finish. Available in three heights for 30mm scopes, plus 1-inch and 34mm options for other tube diameters.
Key Features
- 6061 aircraft-grade aluminum construction machined in-house for consistent quality
- T15 steel caps and chromoly crossbolt for strength and repeatability
- Fits Picatinny and Weaver style rails—no guessing on compatibility
- Horizontally split design for quick, straightforward installation
- .850" low height positions scopes close to bore for compact, ergonomic sight picture
Specifications
| Brand | EGW |
| Scope Tube Diameter | 30mm |
| Ring Height | .850" (Low) |
| Rail Compatibility | Picatinny and Weaver |
| Material (Ring Body) | 6061 Aircraft-Grade Aluminum |
| Material (Hardware) | T15 Steel caps; Chromoly crossbolt with 1/2" nut |
| Design | Horizontally split |
Frequently Asked Questions
Will these rings fit my rifle's rail?
EGW Keystone rings are compatible with both Picatinny and Weaver style rails, which covers nearly all modern hunting and target rifles.
What does the .850" low height mean?
The .850" measurement is taken from the top of your base to the center of the ring. Low height positions your scope close to the barrel, ideal for compact setups or when you want a lower cheek weld. If you need more clearance for a taller turret or larger objective lens, EGW Keystone rings are also available in .990" medium and 1.275" high.
How difficult are these rings to install?
The horizontally split design makes installation straightforward: mount the lower half to your rail, insert your scope tube, position the upper cap, and tighten the crossbolt. No shims or complex fitting required.
What tube diameter do these rings fit?
These rings are designed for 30mm scope tubes. EGW Keystone rings are also available in 1-inch and 34mm diameters if you need a different size.
