Caliber 38-40. Octagon barrel and full length mag tube. Very good bright shiny bore. Original sights include a flat top target rear sight and folding tang sight. Wood is very good condition with special order steel shotgun buttplate. Barrel and mag retain about 30-40% original blue that is nicely toning to a plum. Receiver has recently been re case hardened. Looks good. Sharp corners. Correct dust cover. Crisp tight action. This gun should make a fine shooter.