Not the first "accidental discharge" on this set:
"Three crew members who were present at the Bonanza Creek Ranch set on Saturday said they were particularly concerned about two accidental prop gun discharges.
Baldwin’s stunt double accidentally fired two rounds Saturday after being told that the gun was “cold” — lingo for a weapon that doesn’t have any ammunition, including blanks — two crew members who witnessed the episode told the Los Angeles Times."
'Rust' crew describes on-set gun safety issues and misfires days before fatal shooting
At least one of the camera operators complained last weekend to production managers about gun safety on the set.
www.latimes.com
Baldwin’s stunt double accidentally fired two rounds Saturday after being told that the gun was “cold” — lingo for a weapon that doesn’t have any ammunition, including blanks — two crew members who witnessed the episode told the Los Angeles Times."