Christensen Arms Ultralight Scope Rings Black/Burnt Bronze High 30mm. The advanced CNC-machined rings are craftfully designed to optimize performance between the scope and rifle with each and every shot. Truly an epic balance from Christensen Arms where precision and lightweight align to deliver repeat performance. Specifications for Christensen Arms Ultralight Scope Rings: Manufacturer: Christensen Arms Finish: Nitride/Burnt Bronze Fabric/Material: Aluminum Condition: New Length: 1 in Weight: 5 oz Color: Black/Burnt Bronze Mount Type: Picatinny Country of Origin: USA Package Contents: Christensen Arms Ultralight Scope Rings Christensen Arms 810-00041-04: Ultralight Scope Rings Black/Burnt Bronze High 30mm