airgunplace airsoft shooting gear upgrade parts aluminum hop up unit vsr-10 mb02 mb03 mb07 mb10 toy sniper airgunplace - airgunplace airsoft upgrade gear aluminum hop up unit for vsr-10 mb02 mb03 sniper - cnc aluminum construction. - upgrade parts for vsr-10 (bar-10)/mb02/mb03/mb07/mb10 airsoft sniper rifle. - color - black - weight - approx 86g - suitable for outdoor war game activities.