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 SL-B26 (18650) USB with integrated charge port or the lithium battery version. Either model includes all that you need to mount to your long gun.