Jonathan Ferguson, a weapons expert and Keeper of Firearms & Artillery at the Royal Armouries, breaks down more of the weapons of DayZ, including the Ruger pistol, the Vaiga Shotgun and a cutdown Mosin Nagant. Jonathan Ferguson, a weapons expert and Keeper of Firearms & Artillery at the Royal Armouries, breaks down more of the weapons of DayZ, including the Ruger pistol, the Vaiga Shotgun and a cutdown Mosin Nagant.