The single was released in the UK with a unique picture sleeve in a 12”
maxi single vinyl single (with “Back In Black” and “For Those
About To Rock” (both live in Moscow 1991), as well as a UK/European 7”
vinyl single (with “Back In Black” live in Moscow), and different
CD versions (some the same as the 12” maxi single, and another release
with “For Those About To Rock” live in Moscow and “Shoot To
Thrill” from Donington).
The USA and Australia also saw different releases of this single, both having completely different and unique picture sleeves than the UK/European versions.
“Big Gun” would remain otherwise previously unavailable until AC/DC’s 2009 “Backtracks” box set release, which also include the Live in Moscow ‘B sides in the deluxe edition of the set.