The BattleTek Flashlight w/green and IR laser is the ideal attachment for combat simulation and self defense. The BattleTek combo features an ambidextrous digital switch, 5mw green laser for quick target acquisition, IR laser for night vision use without a night vision optic and a 150 lumen flashlight. The 150 lumen flashlight identifies targets and temporarily disorients intruders. Maximum calibers is .308