REACTOR R5 Gen 2 Green Laser Sight for M&P Shield 45

The Viridian R5 Gen 2 green laser sighting system for the M&PA(R) Shield(TM) 45. This laser sight is easy to install and blends seamlessly into the trigger guard for invisible profile and smooth draw. Viridian's green lasers utilize a 510-532nm wavelength range creating an optimum target dot that is up to 50 times brighter than red lasers. It features two modes of operation: constant and strobe. New features of the gen 2 models include 3X more battery life (up to 5 hours) and an INSTANT-ON ambid