The spare barrels and the boxes of ammo...
and the gloves to change the barrel...
Don't forget to cleanup the brass when you are done... recyclers don;t like Bloody Brass...
Ummm, you forgot to mention the 3000 Rounds Per Minute Cyclical Rate...
Wait, did you bring the depleted uranium rounds... or Ahhh tracers every fifth... cool.
Wanna start a fire? Wanna put one out?