The GLOCK 17 Gen4, in 9x19, introduces revolutionary design changes to the world's most popular pistol. The Modular Back Strap design lets you instantly customize its grip to adapt to an individual shooter's hand size. The surface of the frame employs the new scientifically designed, real-world-tested, Gen4 rough textured technology.  This Glock G17 G4 9mm 17 1 4.49-inch FS USA Made comes with a back strap design that enables the user to customize the grip based on the size of the individuals hands. It has a reversible and enlarged magazine cache, which is extremely flexible and can serve both left and right handed individuals. The dual spring system of the internal setup not only aids in the safety of the gun in terms of recoil, but also extends the life of the gun. The hard part is already done for you, the only part remaining is the simple task of rushing to get your own Glock G17 G4 9mm 17 1 4.49-inch FS USA Made from Missouriguns.net at very affordable prices.