BARSKA 30mm Ring w/ Picatinny Top Rail by Barska AI13212 Model Number: AI13212 Details

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 durability. Features: Fits 30mm Diameter Rifle Scopes Ideal for Attaching Back-Up Dot Sights Picatinny / Weaver-Style Base 7075 Aliminum Construction