Vector Optics 30mm One Piece Extended Picatinny Mount Integral Rings

135mm 5.3″ Overall Length, 38mm 1.5″ from Bottom to Ring Center, Four Screws per Ring, Middle Gap 64mm Specifications for Vector Optics 30mm One Piece Extended Picatinny Mount Integral Rings: Manufacturer: Vector Optics Color: Black Finish: Matte Fabric/Material: 6063-T6 Aluminum Quantity: 1 Base/Mount Type: Picatinny/Weaver Ring Height: 38 mm Tube Diameter: 30 mm Diameter: 30 mm Gun Type: Rifle Length: 5.3 in Width: 16 mm Height: 38 mm Weight: 6.7 oz Distance Between Rings: 2.5 in Features of Vector Optics 30mm One Piece Extended Picatinny Mount Integral Rings Fit on 21mm picatinny rail Shock proof can be used on real fire caliber Package Contents: Vector Optics 30mm One Piece Extended Picatinny Mount Integral Rings