Burris Optics 410992 Ruger TO Weaver Base Adapter M77 BUR-410992 -

This scope base adapter from Burris is just what you need to mount a Burris Laser Rangefinding Scope to your Ruger 77. The base fits securely in the dovetails on your Ruger receiver to provide the proper mounting surface for the unique Burris scope.

Specifications:-
Fits: Ruger 77
Color: Matte Black