Weaver Mount/Base System w/Medium Rings For Ruger Blackhawk/
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These pistol mount systems require no drilling, no tapping. Just a few minutes, an allen wrench (included) and a screwdriver (not included). Simply remove the rear sight and slip on the barrel yoke. Base then attaches easily with two screws. Entire system is lighter than many competitive rings. Includes two Weaver detachable top mount rings, mount base, barrel yoke, screws and allen wrench.