The Ruger 4B30 is a single medium-height scope ring designed for secure optic mounting on compatible rifle platforms. It accommodates a 30mm scope tube and will accept objectives up to 42mm in diameter. Finished in blued steel and sold individually, this ring is a genuine Ruger factory accessory suitable for hunting, target shooting, and precision applications.
Key Specifications
- The scope tube diameter fits 30mm optics.
- The ring accepts objective lenses up to 42mm in diameter.
- The ring height is classified as Medium.
- The finish is Blued.
- The material is specified as Steel.
- The product is sold individually (one ring per unit).
- The model/series designation is 4B30.
- Units per box: 1.
- The listed weight is 0.235 lb.
This Ruger 4B30 scope ring offers a straightforward, factory-standard mounting solution for shooters who need a reliable single ring for mixing and matching mounts or replacing a single ring without purchasing a pair. Its medium profile and 30mm compatibility make it suitable for a broad set of optics and field uses where secure, repeatable alignment matters.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




