Viridian Reactor 5 Red Laser M&P Shield

The viridian reactor™ r5-r red laser sighting system includes an ecr™ instant-on™ custom fit holster with automatic laser activation the moment you draw. No buttons, no squeezing, no doubt. When you draw, it's on.™ Special features: - weighs only .78oz - instant-on when drawn from included holster - choose from constant or pulse modes - laser is powered the maximum legal strength - battery life is 12+ hours when set to efficient pulsing mode - low battery indicator - ready / replace - easy to sight in