Gray Ops CNC Precision 34mm Riflescope Ring 0.950in Black. Specifications for Gray Ops CNC Precision 34mm Riflescope Ring: Manufacturer: Gray Ops CNC Base/Mount Type: Riflescope Ring Tube Diameter: 34 mm Fabric/Material: 7075 Aluminum Color: Black Features of Gray Ops CNC Precision 34mm Riflescope Ring 7075 Aluminum Integral Level Integral Offset Recoil Lug Type III Hard coat Anodize Precision Bore T25 Torx Plus Package Contents: Gray Ops CNC Precision 34mm Riflescope Ring Gray Ops CNC GO-34L-RING: Precision 34mm Riflescope Ring 0.950in Black