The documentary was directed by Stephanie Soechtig and narrated by Katie Couric, who also served as an executive producer.
[1][2][3][4] The film was shown at the Temple Theater as part of the Sundance Film Festival on January 30, 2016.
[6] The film was also shown at Sundance in January 2017.
[7] The film has a 100% rating on Rotten Tomatoes based on 10 reviews.
[8] Geoff Berkshire of Variety gave the film a positive review and wrote, "Gun acknowledges the solutions to this ongoing problem are neither easy nor obvious, while persuasively arguing that more, surely, can be done.