Jonathan Ferguson, a weapons expert and Keeper of Firearms & Artillery at the Royal Armouries, breaks down more of the weaponry of the Uncharted franchise, including the INSAS rifle, the P90, and an ancient Flintlock pistol. Jonathan Ferguson, a weapons expert and Keeper of Firearms & Artillery at the Royal Armouries, breaks down more of the weaponry of the Uncharted franchise, including the INSAS rifle, the P90, and an ancient Flintlock pistol.