GC3 VR Support Email If you are experiencing any problems with Rush, please contact us with a detailed description of the issue via the "Submit a Request" link below. Kind Regards Binary Mill Support Have more questions? Submit a request Comments Michael Gilbert January 12, 2018 23:06 Hello. In the game Gun Club 3 I mistakenly bought a grenade launcher and put it on a handgun instead of my submachine gun. I tried to put it on the submachine gun but I couldn't. Is there a way I can do that?