This is a Glock 23C 40s&w, Gen 3, with a black finish. This is the compensated model. These are trade-ins from the Fresno D.A.'s office and are marked as such. Each firearm comes with 1-13 round magazine, original box (blue label with matching serial number), lock, cleaning brush, user's manual. These all have night sights mounted on them but the tritium is expired or close to being expired.