This Glock 22 Gen 5 MOS introduces revolutionary design changes to this model of perfection that the majority of law enforcement across the country put their trust in every day. The G22 Gen 5 MOS modular back strap design lets you instantly customize the grip to adapt to an individual shooter's hand size. The frame employs the scientifically designed, real-world-tested, rough textured technology. Internally, the dual recoil spring assembly substantially increases the life of the system. A reversible enlarged magazine catch, changeable in seconds, accommodates left- or right-handed operators.