A few months ago, Star Wars Chick and I had the privelage of touring ISS's weapons department and got an in-depth interview with Larry Zanoff, one of the armorers who prepares the weapons seen the the vast majority films!
Here is part 1 of the interview:
Movie Prop Guns Tour at Independent Studio Services (ISS) Part 1 - YouTube
Here is part 1 of the interview:
Movie Prop Guns Tour at Independent Studio Services (ISS) Part 1 - YouTube