2,147,483,365 rounds of ammo
pull the trigger,
miss the player, get shot in the head,
2,147,483,364 rounds of ammo in the gun
2,147,483,365 rounds of ammo
pull the trigger,
miss the player, get shot in the head,
2,147,483,364 rounds of ammo in the gun
Guess 2 shots are missing: 2^32/2-1 = 2147483647