Just wondering, if there was an best method to leveling up a gun quick as possible? Obviously the first would just be to go out and use it, but sometimes the gun isnt good enough without a few perk upgrades for most things. E.g I really want to level my Thorn , but as it is its not that good for pve or pvp. I've just been doing bounties and then swapping to the gun I need to level before handing in. Is that the best way? or would it be more effective to just go and kill random mobs for a few hours? thanks