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