This Ruger is a Magnum only Single Six that has had a Long Rifle cylinder fitted to it. Barrel length is 6 1/2". It is in excellent shape. Grip frame has turned grey, with some handling marks and barrel has some holster wear. S/N is 339707. Production year 1962. S/N on extra cylinder is 707. Barrel is roll stamped with the bird and has no Inc. in the name, no bird on the frame. Fixed sights on "flattop" type frame with a serrated front blade. Beautiful gun for a collection. Email questions or for more pics. Thanks.