The Glock 17 has become one of the most notable duty size 9mm pistols on the planet. Perfect for Military or law enforcement duty carry, the Glock 17 Gen4 9mm has become a standard issue pistol with many Military units and Law enforcement agencies. The Glock 17 Gen4 with front serrations was an update to the very popular Gen3 with many improvements that shooters had been asking for. A more ergonomic textured grip with the ability to change backstraps to fit an individual shooters hands and even add a beavertail to get a higher grip and avoid slide bite. The biggest improvement on the Glock 17 Gen4 9mm is the large dual captured recoil spring extends the service life greatly from the older Gen3 recoil spring which is great for high volume training or LE and Military use. This particular Glock 17 Gen4 9mm has additional front cocking serrations on the slide, which allows the shooter to perform a press check or chamber a round. The Glock 17 Gen4 9mm also comes with 3 mags standard as opposed 2 on previous models. The Glock 17 Gen4 still up holds the same level of reliability you've come to expect, with the same safe action striker fired trigger that has made Glock such a safe and easy to shoot pistol.