LIMITED TIME SPECIAL, BEST PRICE ONLINE! 2016 new in market blue/violet laser sight fits any rifle with Picatinny/Weaver rail. 450nm, class I I I a laser, maximum output. Operates with 1 single CR123 battery(included). It last about 7 hours constantly on which is a lot longer than Red and green lasers. Comes with a momentary-on pressure switch, and a push. Tactical-edged bezel into the strong T6 aluminum body for added protection. Comes with one momentarily pressure switch and one push button on/off switch. Blue laser meets FDA safety standards with Adjustable wind age and elevation. As such, the more you save the more we make. Please allow up to 24 hours for a response. If you give us the chance, we will make every effort to make it right for you! We strive for five stars from you in feedback – and work hard to earn it. Track Page Views With. Auctiva’s FREE Counter.