1 Barrel Of A Gun
2 Painkiller
3 Barrel Of A Gun - Underworld Soft Mix
4 Barrel Of A Gun - One Inch Punch Mix

[CD] LCDBong 25

1 Barrel Of A Gun - Underworld Hard Mix
2 Barrel Of A Gun - United Mix
3 Painkiller - Plastikman Mix

[CD] RCDBong 25

1 Barrel Of A Gun - Radio Edit
2 Barrel Of A Gun - Album Version

[12inch] 12Bong 25
[Gatefold sleeve]

1 Barrel Of A Gun
2 Barrel Of A Gun - Underworld Hard Mix
3 Barrel Of A Gun - 3 Phase Mix
4 Barrel Of A Gun - One Inch Punch Mix (V2)
5 Barrel Of A Gun - Underworld Soft Mix

[12inch] P12Bong 25
[UK Promo]

1 Barrel Of A Gun - Underworld Hard Mix
2 Painkiller - Plastikman Mix
3 Painkiller
4 Barrel Of A Gun - Underworld Hard Instrumental