This Cytac holster is designed to fit many of the G-series Glocks, including the G17, G22, and G31 sidearms (Generation 1-4). It's durable polymer design is both lightweight and rugged. It's pointer-finger locking/release button securely holds the sidearm in the holster until it's time to draw. This holster comes with the inside the waistband paddle. The paddle is interchangeable with other Cytac holster accessories such as the belt clip, MOLLE adapter, and drop-leg platform.