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Ruger
Overview
The Ruger 4K30 is a pair of 30mm scope rings designed to secure an optic to a Picatinny rail. These rings are constructed from aluminum and feature a silver finish, providing a consistent mounting solution for optics with a 30mm tube diameter. The medium height positions the optic axis relative to the rail. GPP build data shows the Ruger 4K30 appearing in a variety of AR-15 and AR-10 builds. Builders on GPP commonly pair these rings with 30mm tube diameter LPVOs and fixed power scopes.
Pros
- +30mm optic tube diameter is the most common size in the GPP catalog, offering broad compatibility with popular optics.
- +Silver is a common color option for optic mounts in the GPP catalog.
- +Aluminum construction provides a durable mounting platform.
Trade-offs
- −This product uses a Medium height configuration, which is the second most common height; most products in this category utilize a High height.
Specifications
Available Merchants(9)
Prices checked
Price Alert
Price and stock
Availability is good for the RUGER 30mm Scope Ring, 4K30, Medium, SS: it was in stock at one retailer or another nearly every day in September 2026, and today 8 of the 9 retailers we track have it in stock. It dipped to $26.09 at Guns.com for a stretch in September 2026, well under its usual $36.99, so sales do come around. Buying today, the lowest price is $26.68 at KY Gun Company.
Prices checked · refreshed daily across 37 retailers
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