The high-performance .357 is characterized by extremely high muzzle velocity and superior precision, even at medium range. The GLOCK 31 is the optimum solution for all who are looking for these ballistic advantages in a reliable yet light pistol with large magazine capacity. Many law enforcement agencies, among them the New Jersey police, have already selected the GLOCK 31 as their official service weapon. Available with 15 round magazine. Available with fixed sights made of polymer with white contrast insert for rapid aim.