A fire selector control device for a firearm with a lower receiver that is operable from either side of the firearm. The device includes a selector body designed to fit within the lower receiver and extend between one side of the lower receiver and an opposite side of the lower receiver. The selector body is designed to engage a firing mechanism within the firearm and switch the firing mechanism to any one of a plurality of firing modes. First and second levers are attached to opposite ends of the body to move the body to any one of the plurality of firing options. The first lever is accessible from the exterior of the right side of the lower receiver and the second lever is accessible from the exterior of the left side of the lower receiver.