Abstract: A firearm holster assembly includes a firearm receiving portion and a clip and claw assembly. The clip and claw assembly includes a clip element configured to engage a piece of clothing of a wearer and a claw assembly. The claw assembly includes a base plate movably coupled to the firearm receiving portion and one or more spacer plates. The base plate includes a connection portion oriented between the clip element and the firearm receiving portion and a projecting element extending outward laterally from the connection portion, the connection portion and the projecting element together defining a first major surface and a second opposite major surface of the base plate, the first major surface configured to face outward from a body of a wearer. The one or more spacer plates are stacked on the first major surface of the base plate.