Tuning: Drop D tuning (DADGBE)

Main riff : ("Do you love your guns...")

G|-------------------------------|
D|-6-0---0-3-5---0-6-0---0-3-5-3-|
A|-6-0---0-3-5---0-6-0---0-3-5-3-|
D|-6-0---0-3-5---0-6-0---0-3-5-3-|

2nd guitar bit : ("Got love songs in my head...")

Let this chord ring for 4 bars

E|-x-|
B|-3-|
G|-2-|
D|-0-| 
A|-0-|        
D|-0-|

E|-x-------------------|
B|-3-------------------|
G|-2-------------------|
D|-0---0-2---2-3---3-7-|
A|-0---0-2---2-3---3-7-| < this for the second part of "Got love songs..."
D|-0---0-2---2-3---3-7-|

Clean guitar part : ("She tells me I'm a pretty bullet...")

E|---------------------------------|
B|-3-3-3-3-5-5-5-5-6-6-6-6---------|
G|-------------------------2-2-2-2-|
D|---------------------------------|
A|---------------------------------|
E|---------------------------------|

Or you can play this (It depends how well you can play octaves)

E|-------------------------------------------------------------------|
B|-------------------------------------------------------------------|
G|-7---7---7---7---9---9---9---9---10--10--10--10--10--2---2---2---2-|
D|-x---x---x---x---x---x---x---x---x---x---x---x---x---x---x---x---x-|
A|-5---5---5---5---7---7---7---7---8---8---8---8---8---0---0---0---0-|
E|-------------------------------------------------------------------|