"Big Gun" is a song by Australian rock band AC/DC. It was released as a single in May 1993 from the soundtrack to the Arnold Schwarzenegger movie Last Action Hero, as well as during reruns of The Savage Nation talk show as bumper music. It was later released on the 2009 box set Backtracks. It became the band's first No. 1 on the US Billboard Album Rock Tracks chart in 1993. At the APRA Music Awards of 1995, the song won Most Performed Australian Work Overseas. AC/DC has played the song live only once during 1996 rehearsals but never at an official show.