Description First year of production Ruger GP-100 chambered in .357 Magnum with a six-shot cylinder and a 4″ barrel. Manufactured in 1986 with serial number 170-04021. Blued barrel, frame, fluted cylinder, and serrated cylinder release. Stainless double action trigger and hammer. Smooth rubber grips with wood inserts. Adjustable rear U-notch and fixed yellow front blade iron sights. The left side of the receiver is marked “S. P. D.”. Must ship to a FFL holder. Condition: Good/Very Good with scratches, sharp edge wear, contact marks, and general cosmetic handling wear. Cylinder turn line and normal operational wear. Some spots of finish thinning and holster wear around the muzzle. Bright and clean bore with strong rifling. Barrel Length: 4″ Serial: 170-04021 Manufacturer: RUGER Year: 1986 Caliber: .357 Magnum Model: GP-100 Book# 07966