Disclosed are assemblies and components of an adjustable holster. The holster includes a holster body that defines a cavity to receive a firearm. One or more clips can be hingedly attached to the holster body. In some embodiments, each clip can be removably attached to a hinge pin on the holster body. Based on the configuration and location of the clip(s), the disclosed assemblies can be configured as either a right-hand or left-hand holster assembly, as an inside-the-waist-band holster or an outside-the-waist-band holster, and/or as a holster with a canted or non-canted orientation. The holster can be reconfigured without tools in some embodiments.