For the 60s-era band alterately known by this name, see: The Gun.
These are photos from concerts where GUN played, so they may be of other bands that played the concert as well.
Ritchie Blackmore's Rainbow / The Sweet / Blue Öyster Cult / The Answer / GUN / The Crazy World of Arthur Brown Jun 17, 2017 London, England, United Kingdom Uploaded by Josh King
Black Star Riders / GUN / Backyard Babies Mar 18, 2017 Birmingham, England, United Kingdom Uploaded by Michael Chambers
Black Star Riders / Backyard Babies / GUN Mar 12, 2017 Manchester, England, United Kingdom Uploaded by Darkfearytales