Compatible with any rail-equipped long gun, the Holosun LE117 Green Laser is a reliable laser aiming device, built around a virtually indestructible titanium body for lasting service in virtually any tactical environment. This dual tactical laser features a class IIIA visible green laser, coaxially mounted for easy zeroing and superior zero retention, while the remote cable switch offers intuitive control under stress. Compatible with MIL-STD 1913 Picatinny rails, the integrated QD mount allows for quick installation and removal and delivers a tight lockup and wobble-free fit for lasting field service, while multiple user-selectable brightness settings offer lightning-fast target acquisition in virtually any lighting condition. Better yet, this laser sight offers up to 50,000 hours of battery life on a single AA battery (included). IPX8 waterproof.