Ruger 4B30 30mm Medium Scope Ring – Single

The Ruger 4B30 is a medium-height scope ring designed for optics with a 30mm tube diameter. It accepts objectives up to 42mm and is offered for sale as a single ring, allowing purchasers to buy only the mount they need. Manufacturer and vendor data list the ring material as steel and identify this as a Ruger-style scope ring.

Key Specifications

• Fits a scope tube diameter of 30MM.
• Accepts objectives up to 42mm.
• Material is listed as STEEL.
• Ring height is specified as MEDIUM.
• Packaged and sold as 1 ring (sold individually).
• Model/series identified as 4B30.
• Compatible fit listed as M77 Hawkeye African.
• Weight listed as 0.235.
• Product type/series noted as RUGER STYLE scope ring.
• Finish is reported by some sources as Blued while other listings show Matte Black; see notes for details.

This single Ruger 4B30 medium ring is a straightforward solution for mounting a 30mm-tube optic where a medium-height ring is required. Its steel construction and simple, OEM-compatible profile make it suitable for users who want an uncomplicated, reliable mounting option when assembling or maintaining a precision-oriented rifle setup.