The ProTac Rail Mount HL-X Laser is a 1,000 lumen long gun light with integrated red aiming laser with windage and elevation adjustments. It has unique functionality with its double switches; push button tailcap or remote pressure switch and multi-fuel fuel options. Available as the USB rechargeable system that includes Streamlight's 18650 USB with integrated charge port or the lithium battery version. Either model includes all that you need to mount to your long gun.