The Ruger 4K30HM Scope Ring, Silver, 30mm Medium (brand part no. 90318) is a factory Ruger scope ring sized to fit a scope with a 30mm main tube and up to a 42mm objective bell, in the medium height and a silver finish to match stainless rifles.

Key Specifications

• Fits a scope tube diameter of 30mm
• Clears an objective bell up to 42mm
• Machined in the medium height
• Finished in silver
• Sold in Ruger’s Standard ring model
• Listed as a Ring product type
• Overall length of 5.15 inches

Frequently Asked Questions

What scope tube diameter does this ring fit? It fits a 30mm main tube.

What is the maximum objective bell size? It clears an objective bell up to 42mm.

Buy the Ruger 4K30HM Scope Ring, Silver, 30mm Medium

Order the Ruger 4K30HM Scope Ring, Silver, 30mm Medium from our catalog, or browse more scope rings at Schaefer Defense. Ships fast from our Lubbock, Texas gun shop.