1. The box will be dropped somewhere in the maps, locate it using your compass!
2. To open the box, hold still and hold "use button" [F_by default].Once open, it will give you a weapon, if you don't like it, wait for it to dissapear and open it again. You can do it maximum 5 times.
3. Grab it by hold [Use button]. Remember you must stand very close to the box.
Tips: Your team mates can pick it too without losing your turn, and also your enemy. Defend the box and you have only 2 minutes to pick-a-weapon before it dissapear.