Basically when you pack a punch a weapon once it will give you the normal pack a punch. You can pack a punch again. But you are gambling. I pack a punched one of the AR's (don't remember the name). And it gave me a red dot sight, and a **** ton of ammo. I pack a punched again and it gave me no red dot sight, and a GL and a small amount of ammo. You could also get something better. I have yet to try it out, but that is what I heard before launch. It makes sense to me.
Currently Playing: Black Ops, Resident Evil 6, Skyrim, BL2, and Dishonored
I packed a 3 burst gun (Chicom CQB) and it added a scope. I packed it again it took off the scope and made it a 4 burst gun. I packed it again it kept it a 4 burst gun and put a scope on it with a unicorn head crosshair haha wooh!
The ray gun and the original pistol you start with don't allow you to pack it twice. But some other guns (executioner, five seven, hamr) let you do pack it again and it cost more money, but I haven't noticed any difference from how it was just getting packed once.
Anyone else know of any guns that kept getting improvements after packing it multiple times?