Labor Code § 9155

(a) Ammunition shall not be permitted on a motion picture production, except as follows:

(1) In the controlled and supervised environment of a shooting range or equivalent and for the purposes of actor training or postproduction gunfire sound recording, a documentary, except reenactments, or firearms education.

(2) Where ammunition is essential to the subject matter of the work, such as a competitive reality show, a documentary, except dramatic reenactments, or a firearms education and safety training production.

(3) While filming footage of trained military or police personnel firing weapons in a controlled military or police facility.

(b) In the exceptions set forth in subdivision (a), all range safety rules, federal, state, and local laws, and Industry-Wide Labor-Management Safety Committee Safety Bulletins #1 and #2 shall be followed under the supervision of the property master, armorer, or qualified assistant property master. Appropriate medical personnel shall be available.