Other Details Manufacturer: Warne Manufacturer Part Number: V422M Dimension: 1.20 X 4.75 X 6.45 Finish: BLACK-MATTE Material: Aluminum Mount Type: 3/8" Dovetail Other Features: FITS 3/8-11MM DOVETAIL SETUPS Product Type: 3/8"/11MM DOVETAIL Style: Rimfire/Vertical Split Tube Diameter: 1" Tube Size: 1"