Hawke Sport Optics Picatinny Caps Tactical Rings 30mm Black. For those looking to protect the top of their Rifle Scope the Hawke Optics Tactical Rifle Scope Rings Caps provides a 1 inch diameter cap to protect the top of the Rifle Scope ring. Hawke Optics uses incredibly durable materials in their rings to stop any potential damage to your Rifle Scope holder. Hawke Rifle Scope Mounts Rings and Bases provide the customer with excellent products that will keep your Rifle Scope in place shot after shot. Specifications for Hawke Sport Optics Picatinny Caps Tactical Rings: Manufacturer: Hawke Sport Optics Color: Black Finish: Matte Fabric/Material: Aluminium Gun Model: Universal Mount Type: Picatinny Ring Quantity: Pair Gun Rail: Picatinny Quantity: 1 Features of Hawke Sport Optics Picatinny Caps Tactical Rings Picatinny ring cap - 1 inch or 30mm diameter For use with Tactical Rings only Package Contents: Hawke Sport Optics Picatinny Caps Tactical Rings Hawke Sport Optics 22154: Picatinny Caps Tactical Rings 30mm Black