It's not the size of the dog in the fight. It's the size of the fight in the dog. Do not under estimate this powerhouse based on its size or appearance. The P90x is sinister in every way. Housing the EG1000 motor and version 6 gear box, this weapon is at the top of our list for guns that other guns are judged by. With laser-like accuracy and a mind-blowing cyclic rate, the P90x IS the weapon of choice for CQB engagements. Currently used by Special Forces and Tac Teams, this gun is capable of dishing out a severe dose of authority. When you need a compact, maneuverable, fast, light, and dependable weapon for taking control of a building or room - introduce yourself to the top dog .... the P90x.