Overview Reviews Product Description Ruger Standard 5B30, Ring, 30mm High(5), Blued Finish, Sold Individually 90274 Product Videos Full Manufacturer Name Full Manufacturer Name Ruger Product Reviews Write a Review Write a Review × RUGER 30MM HIGH(5) BL (5B30) SLD IND Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *