- Find a 'FNX45'
- Find '.45 ACP rounds'
- empty ammo box to have the single bullets
- Take the .45 bullets and drag and drop them onto the FNX45
- Each time the number of left bullets decreases then by '1'
- I repeated this action about 15 times or so, then I stopped because I didn't want to loose / waste the rest of the ammunition.
- During this no information showed up to inform about the state of the weapon.
('already full', '# of bullets loaded', ...)