0.9.8.53:

How it works now(Xbox):

1. Select weapon in the box (Vicinity)
2. Press A
3. Press Right on a Left Stick Button (All stuff in the Player Inventory)
4. Press Right on a Left Stick Button (Jacket in the Player Inventory)
5. Press Down on a Left Stick Button (Vest in the Player Inventory)
6. Press Down on a Left Stick Button
7. Select weapon slot in the hotbar (Player Inventory)
8. Press A

How can it be:

1. Select weapon in the box (Vicinity)
2. Press X
3. Select weapon slot in the hotbar (Player Inventory)
4. Press A

How it works now(PC - 0.9.8.73):

1. Move mouse cursor to weapon in the box (Vicinity)
2. Press RMB