Five Pack a punch

The machine typically changes the weapon's name, adds one or more attachments, increases the damage output, increases the magazine capacity and makes the firing sound higher pitched accompanied by a red/purple muzzle flash. "The Pentagon is under attack! The camouflage changes by game, and in Call of Duty: Black Ops II, Black Ops III, Infinite W… once its 5 door should be unlocked and in it is the pack a punch machine The weapon also notably gains a bizarre camouflage to accent the changes done to it.

— Description. Pack a punch is in that clearance 115 room, you have to get to defcon 5 to unlock the door, and to get to defcon 5 you need the power back, which is in the next elevator/floor you have to buy, once power's back, go back to saif room and pull all the switches with the defcon on it.

The Pack-a-Punch Machine allows weapons to be upgraded to better versions of themselves. The map is unlocked after completing the final campaign mission, "Redemption", on any difficulty, or by entering the code '3ARC UNLOCK' on the computer terminal in the main menu, which will also unlock Dead Ops Arcade. "Five" is the sixth Zombies map, and the second in Call of Duty: Black Ops. Washington is going to DEFCON 1 in this installment of "Zombies"."