GamesRadar - Guns! They’re great, aren’t they? In games, we mean. The look and feel of a good gun can single-handedly transform a by-the-numbers shooter into something a bit special. And it helps if it looks badass too, since you spend 99% of your in-game time staring at the back end of it. In celebration of the gun, we’ve rifled (ha!) around the Xbox’s back catalogue to bring you 15 of our favourite bullet-dispensers of all time.