Viridian

Viridian Elite Red Laser Sight For Smith & Wesson M&P Shield 45 - 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