This is a Smith & Wesson model 442-1 Pro Series double action 5-shot J-frame revolver in .38 Special caliber. It has a 1 7/8" barrel, NO BUILT IN LOCK, fixed sights, alloy frame, and rubber finger groove grips. This revolver is cut for full moon clips (3 included). It is in nice condition with a clean, bright bore. It comes in the original plastic hardcase with cable lock.