Ruger 4b30hm Scope Ring, Rug 90321 4b30hm 30mm Med Rng Bl Clam

Designed to fit a scope with a 30mm scope tube diameter and a 42 mm objective diameter.

Type: Ring Single
Tube Diameter: 30mm
Height: Medium
Size: Accepts up to 42mm
Finish: Matte
Material: Steel
One Or Two Piece: 1