This new Glock 23 Gen 4 pistol fires the .40S&W round. It has a 4" barrel with an overall black finish. This semi-auto pistol has an under barrel rail with a rough textured grip. This pistol comes with 4 additional backstraps to change the size of the grip. It also comes with three 13 round magazines, magazine loader, cleaning brush & rod, hard case, and lock.