The Cazzuto holster is made entirely of thermo-plastic material and is exceptionally light and compact. Minimal friction between gun and holster results in a smooth draw. The paddle is adjustable for forward to rearward cant. Dual tension device and precise molding give this holster a perfect fit. The Cazzuto Holster also comes with a belt slot attachment if paddle wear is not suitable. The belt attachment will fit belts up to 1.75″. compatible with Glock 19/19 Gen 5/19X/23/32/45 WITH OR WITHOUT REFLEX SIGHT