Tom: Cm D A D (Bu-bu-bum, bu-bum-bum bu-bum-bum Man's best friend is his mother, A D But not in Vietnam bu-bum-bum Just let me tell you brother A I'm alive, and here's why I am [Verse 1] D A D 'Cause I've got one son-of-a-gun, of a gun G D G You see this AR-15 D She's hard and she's mean Dm G And she ain't built for love or fun D G And yet this AR-15 A Is a part of my team D A D G D 'Cause she's one son-of-a-gun, of a gun [Verse 2] D G D They may shoot away my green beret A D Clip my silver wings G D Even make me lose my pay A And lots of other things D G D But leave my AR-15 D G D To me she's a queen G She's the best gal I've ever won A D 'Cause she's what stands between me G A And the enemy VC D A D Yes she's one son-of-a-gun, of a gun [Verse 3] Bb Eb Ab Eb You see this AR-15 She's hard and she's mean Ab Bb And she ain't built for love or fun Eb Cm And yet this AR-15 Fm Bbm Is a part of my team Eb Cm Ab Bb Eb Ab 'Cause she's one son-of-a-gun, of a gun [Verse 4] Eb Ab Eb They may shoot away my green beret Bb Eb Clip my silver wings Ab Eb Even make me lose my pay Bb And lots of other things Eb Ab Eb But leave my AR-15 Ab To me she's a queen Eb Ab She's the best gal I've ever won Bb Eb 'Cause she's what stands between me Fm Bb And the enemy VC Bb Eb Ab Bb Eb Yes she's one son-of-a-gun, of a gun [Outro] Bb Eb Fm Eb Ab Yes she's one son-of-a-gun, of a gun