Spawn a soldier, equip a Rook-40 9 mm and a Scorpion EVO-4 9 mm, put silencers on booth of them, have the Rook-40 9 mm equipped while having the inventory screen up, while having the inventory screen up place a 30 round magazine in the Scorpion EVO-4 9 mms ammobox. Doing this results in your charecter switching weapons and reloading the Scorpion EVO-4 9mm. While the reloading animation is playing you can see the silencer of the Rook-40 9 mm sticking out of the magazine on the Scorpion EVO-4 9 mm.