 Following the "eggplant scene", Dennis Hopper (qv) was concerned  about being "shot" by Christopher Walken (qv) with the prop gun so  close against his head for fear of being burned by the barrel.  Director Tony Scott (I) (qv) assured him the gun was 100% safe,  and even tested it by having the prop man fire it against his  (Scotts) own forehead. But upon firing the prop gun the barrel  extended about a third of an inch and Scott ended up on the floor  with blood pouring from the wound.