Leupold® steel Standard (STD) rings and bases are the most versatile of any mounting system offered, and the model 120092 is specifically designed for Ruger American rifles and ideal for standard calibers less than .300 Win. Mag. This two-piece matte black base system provides the foundation for secure scope mounting on your Ruger American’s round receiver.
The Standard design incorporates several practical features for hunters and shooters. STD rings come in five different heights and are precision engineered to match up with STD 1-piece or 2-piece bases. The front dovetail ring pivots, allowing for lateral adjustment using the rear windage screws while bore sighting. Shims can also be used, reserving the scope’s elevation adjustment for BDC (bullet drop compensation) dial applications.
This product is manufactured in the United States and represents a crucial link between your scope and firearm that is every bit as rugged and dependable as the Leupold optics it secures. the Leupold Standard base delivers the reliability expected from America’s premier optics manufacturer.
