https://www.latimes.com/entertainment-arts/movies/story/2021-10-22/rust-shooting-movie-prop-gun-safety-blanks-rounds-more https://www.latimes.com/entertainment-

https://www.latimes.com/entertainment-arts/movies/story/2021-10-22/rust-shooting-movie-prop-gun-safety-blanks-rounds-more https://www.latimes.com/entertainment-arts/movies/story/2021... "Productions using operational firearms can opt for those intentionally designed to fire blank cartridges — shell casings loaded with gunpowder — or decommissioned firearms tweaked to shoot them. Live ammunition is not allowed on any set."