Welcome to RK Guns at 61750 Southgate Parkway, Cambridge the official online gun store of Rural King. Here you can buy guns online and have them shipped directly to the Rural King store of your choice and pay no FFL transfer fee! Normally, when you shop for guns online you have to pay a transfer fee to the receiving dealer. Shop for handguns, rifles, shotguns and pay a flat rate of $12.99 per order no matter how many firearms you buy in our online gun shop.