Scaled-down version of single-action. Chambered for .22 rimfire. Has 4" barrel and unfluted roll engraved cylinder. Frame is alloy and has a brass colored anodized alloy triggerguard. Finish is blue and grips are plastic impregnated wood until 1963, thereafter, walnut with eagle medallions were used. Manufactured from 1958-1970. Note: Add $150 to $200 premium for a serial number under 30000; $350 for black anodized triggerguard; 20% for alphabet prefix serial number.