Barska 30mm Aluminum Scope Mounting Ring with Picatinny Top Rail, Matte Black

The 30mm Ring with Picatinny Top Rail by Barska provides a solid mounting platform for adding an additional back-up optic (sold separately) to your rifle scope. Four screws on this ring ensure that the back-up sight will hold zero shot after shot. Barska's 30mm Picatinny Ring is machined from solid aluminum to provide dependable long-lasting durabilityBarska's line of rifle scope accessory rings set the standard in quality, dependability, and affordability. These precision 7075 Aluminum rings are hard coat anodized and feature 4 securing screws in order to keep your optic zeroed in for maximum performance.