This used Glock 23 Gen 4 pistol fires the .40S&W round. It has a 4" barrel with an overall gray digital camo finish. This semi-auto pistol has an under barrel rail with a rough textured grip. This pistol comes with 2 additional backstraps to change the size of the grip. It also comes with two 13 round magazines, magazine loader, hard case, and manual. The finish on this gun was done by the individual who previously owned the pistol.