Abstract: The invented firearm pistol grip monopod gun stabilizer reduces rifle movement to improve the shooter's aim by using an adjustable elongated member connected inside the firearms pistol grip. A threaded rod assembly provides a means for precise height adjustment while a footpad resting on a supporting surface provides stability during recoil, and while the front of the firearm rest on a bi-pod or other support. A head cap screw on one end of the monopod gun stabilizer connects it to the firearm and a footpad on the other end of the monopod gun stabilizer rests on the ground. In between the two ends a female tubular assembly and a threaded rod assembly provide for precise adjustment for targeting. The monopod gun stabilizer threads into it self for transport and storage.