Steel bases move the scope back to get correct eye relief without “crawling” the stock. Weaver-style with extra cross slots to accommodate all sizes of scopes, plus electronic sights. Replaces the sight rib or bases on Ruger No. 1B or 1V.
SPECS:
4140 steel, blue, polished finish. Front base - 3.6" (9cm) OAL. Rear base - 2.8" (7cm) long. Model 1V fits post 1976.
Catalog page 245