Blue Laser for AR15 from BeamQ .
Blue Laser for AR15 is one type of laser sights with 405nm wavelength blue violet laser module built in a laser sight, the blue laser sight for AR15 can be mounted to AR15 rifles easily .
Other online stores you can get a Blue Laser for AR15 .
Amazon Ade Advanced Optics HB06-1 Triple Duty 450nm Blue/Violet Laser Sight
The Rifle Blue Laser is an engineering masterpiece. Green lasers notoriously use quite a bit of energy, burning batteries fairly quickly whereas the blue laser uses less than half of the energy to produce the same output.