POLICE have charged a man with weapons offences after allegedly locating three firearms in a vehicle with stolen number plates in Frankston South.Frankston police were conducting routine patrols as part of Operation Trinity when they observed a Volkswagen Golf sedan parked on Frankston-Flinders Road just before 2am on Friday 8 March. Checks identified the licence plates as being stolen and the male driver, 34, was arrested at the scene.During a search of the vehicle, police allegedly uncovered three pistols and ammunition in the rear footwell.It will be alleged one of the pistols was home made, another had been 3D printed…