German heavy metal band formed in 1998 in Cologne, North Rhine-Westphalia. Gun Barrel was founded by Guido Feldhausen and Rolf Tanzius and released their first EP Back To Suicide with the line-up consisting of Guido Feldhausen, Rolf Tanzius, Holger Schulz and Florens Neuheuser. They play traditional/old school heavy metal and they personally call their musical style "Power dive rock 'n' metal". So far they have released five studio albums, Power-Dive, Battle-Tested, Bombard Your Soul, Outlaw Invasion and Brace For Impact. Rolf Tanzius is currently the only original band member.