A bar gun assembly for receiving a multiplicity of fluid carrying tubes carrying a multiplicity of fluids, for example, flavored syrup and soda water, therein. The bar gun assembly has a handle having a handle body. The handle body is a multiplicity of ports and fluid channels therein. A supply line connector assembly engages the supply lines and the handle body. A backing plate assembly engages openings in the fluid chambers of the handle body to seal fluid therein. A nozzle assembly engages at least some of the fluid channels in the handle.