Gamo USA Hand Pump, Designed to Fill Gamo PCP Airguns, 4,500 Max PSI, Black 621213554 The GAMO PCP hand pump is a versatile hand pump designed to fit the Gamo Urban PCP and Gamo Coyote models. It also works with other models of PCP rifles with a male FOSTER quick-disconnect on its reservoir. It has a folding base plate, a maximum pressure of 4500 psi or 310 bar, and an output nut 1/8 bsp.