Action Union present their own product for airsoft use, a PEQ-15 Box IR Laser + Visible Red Laser + White LED Flashlight combo available on Amazon. The red laser has low reflectivity and prevents halos on the target, making it comfortable to aim at night. The invisible IR laser is compatible with NVGs. The white LED flashlight has a brightness of up to 270 lumens and can effectively penetrate water mist and dust environments.
Blue Jean Operator tries the SomoGear PEQ-15 for use on real steel gun if it will hold zero... "Today I'm going over the SomoGear PEQ-15, and seeing whether or not it will hold zero on a real rifle! SomoGear is a Chinese company that makes knockoff lasers meant for use on airsoft guns, but since these are full power lasers (no civ legal limitations), it has drawn the attention of many gun owners out there.
A helpful video from Nilix showing how to adjust the non-zero laser of the FMA AN-PEQ-15 for airsoft so it will be more useful for aiming... "Today I showed what I did to fix the laser adjustment of my anpeq that regardless of the airsoft gun, the rail and regardless of the horizontal and vertical adjustments being at maximum or at least it just couldn't cross the laser with the trajectory of the BB.