Precision Machined from Aircraft-grade Aluminum Alloy with Anodized Black Matte Finish
Friendly Hex Screws with Retention Features and Full Length Locking Plate to Guarantee Easy InstallationandSecure FitFits All Picatinny/Weaver RailsMaterialAluminumPieces2Rail TypePicatinny/WeaverProfile LevelHighRing Diameter1 InchRing Width21 mmMax. Scope Outer Dia.61 mmScrews Per Ring4A1 InchB21mmC18mm