LOS ANGELES (Reuters) - A 1965 Aston Martin DB5 outfitted with special gadgets for James Bond, such as tire slashers, machine guns and a bulletproof shield, will go up for auction in August, the auction house announced on Wednesday. The vehicle painted gray is expected to fetch between $4 million and $6 million, according to a statement from RM Sotheby\u2019s. The car was never seen in Bond films, but matches the one that \u201c007\u201d - the code number by which Bond was often known - drove in the movies \u201cGoldfinger,\u201d and \u201cThunderball.\u201d The vehicle was commissioned by filmmaker Eon Productions and used at promotional events for \u201cThunderball\u201d in the United States, the auction house said. It includes 13 modifications created for Bond, including a Browning .30 caliber machine gun in each fender, tire slashers mounted on its wheel hubs and a bulletproof rear screen that can be raised and lowered. RM Sotheby\u2019s said the Bond modifications had been \u201cproperly refurbished to function as originally built,\u201d and has had three private owners over 50 years. The auction will take place on Aug. 15 in Monterey, California. Reporting by Lisa Richwine, editing by G CrosseOur Standards:The Thomson Reuters Trust Principles.