SN: 62-21785. Single-action rimfire revolver made by Ruger in 1973. 7½” barrel with 6-round .22LR cylinder. Good overall condition with handling marks visible in the blued finish. Replacement wraparound wooden grips are great with small marks on the front of the butt. Features elevation and windage adjustable rear sight and transfer bar safety mechanism. A good first-year production example, which comes with original box and grips.