Weaver - Top Mount Base Ruger 77ST, 79 Gloss, Item#48079

Nobody makes bases to fit as many guns as Weaver. Yet each base is machined to tight tolerances for a custom fit. They're designed to fight the effects of recoil with a square-cut notch that precisely mates to the sturdy cross bolt in every Weaver Detachable Ring. Custom-hardened fastening screws come with every Weaver base.

Use as Rear base on:
Ruger: M77  

Requires an additional base

• This is a 1-piece base for a 2-piece system.