Jonathan Ferguson, a weapons expert and Keeper of Firearms & Artillery at the Royal Armouries, breaks down the fictional Lancer Assault Rifle from the Gears of War franchise, including the Retro Lancer, and Grenade Launcher variant. Jonathan Ferguson, a weapons expert and Keeper of Firearms & Artillery at the Royal Armouries, breaks down the fictional Lancer Assault Rifle from the Gears of War franchise, including the Retro Lancer, and Grenade Launcher variant.