EGW Guns Scope Base Features The EGW Guns Scope Base is machined from ultra-rigid extruded 6061-T6 aluminum chosen to hold its dimensional accuracy under the repeated stress of scope mounting and removal. The base is drilled specifically to match the factory scope mount holes on the Ruger American short action receiver so installation requires no drilling or tapping of the rifle itself. Full width cross slots are gauged to MIL-STD 1913 Picatinny specifications to within plus or minus .002 inches giving a tight and repeatable fit with standard Picatinny or Weaver rings. This 0 MOA elevation configuration keeps the scope s point of impact centered for shooters who do not need built-in cant for extreme long range holdover. A milled center channel running down the base reduces overall mass without compromising the rail s rigidity keeping the added weight on the rifle to a minimum. The matte black anodized finish resists wear and corrosion from field handling and weather exposure over repeated hunts. Mounting hardware including socket head Torx screws and the matching wrench ships with the base and EGW recommends 20 inch pounds of torque along with a drop of blue Loctite during installation. For Ruger American short action owners who want fast reliable scope versatility without a gunsmith visit the EGW Scope Base delivers a direct no-modification solution. EGW Guns Scope Base Specifications Manufacturer: EGW Guns Model: Scope Base Color: Black Material: Aluminum Finish: Matte Black Mount Type: Picatinny Rail Action Length: Short Elevation: 0 MOA Number of Bases: 1 Compatible Hosts: Ruger American Centerfire Available At: GrabAGun