1962/1963 | Redesigned and replaced the original 1953 XR3 frame, marked "XR3-RED," also had the maker, "Alcoa," on early frames. Used on Single-Six, Super Single-Six, Blackhawk, Hawkeye, Old Army. Hawkeye frame had wider trigger slot to accommodate Super Blackhawk trigger. | Aluminum alloy, black anodized | Varnished Walnut, oil filled Walnut with Black Ruger Eagle medallions. Beginning about mid 1971 the medallions were changed to a flat Silver Eagle. | Discontinued 1972/73 (except for Old Army which was discontinued about 1985 when replaced with steel) |