Another episode in The Firearm Blog TV's visit to the ISS, which supplies gun props to Hollywood, to find out which guns are the most durable based on their use firing blanks and real bullets... "Which guns are the most durable? In this episode of the “TFBTV Goes to Hollywood” series, James Reeves speaks with Larry Zanoff of Independent Studio Services about which of the 16,000 guns ISS keeps in inventory are the most reliable.