Ruger 30mm Medium Scope Ring 4B30 – Fits 30mm Tube, Matte Blued (90273)

• Scope ring designed for mounting optics with 30 millimeter tube diameter
• Medium height configuration supports scopes with 42 millimeter objective lenses
• Blued finish provides corrosion resistance and classic appearance
• Designed as genuine Ruger factory accessory for proper firearm fitment
• Constructed for secure scope mounting and consistent alignment performance
• Sold individually for flexible mounting configurations

The Ruger Standard Ring 30mm Medium 4B30 is a scope ring designed for mounting optics with a 30 mm tube diameter onto compatible rifle platforms.

The Ruger Standard Ring 30mm Medium 4B30 fits scopes with a 30 mm tube and supports objective diameters up to 42 mm, providing a medium height mounting position. This scope ring features a matte blued finish and is manufactured as a genuine Ruger factory accessory. It is sold individually and categorized as a scope mounting ring for rifle optics systems. This product is used for attaching 30 mm tube scopes where moderate clearance is required. In standard configurations, the Ruger Standard Ring 30mm Medium 4B30 supports consistent alignment and secure positioning on compatible firearm mounting systems.