Cal 31. Orig 3″ oct bbl. Made without an ejector rod housing. All matching numbers including the wedge. VG grips showing minor use. Considerable amount of orig varnish. Cylinder has about 50% scene still intact. Early square back trigger guard and backstrap retain about 80% orig silver. Clean sharp gun with a considerable amount of finish in the protected areas. Balance has turned blue/plum color. Crisp action. Scarce gun!