ArmaLaser Green Laser Sight for S&W Sigma Series Black. ArmaLaser designed these Green Laser Sights with their Grip-Touch Activation technology that powers the laser when your weapon is held in a natural firing grip greatly boosting your target acquisition speed without affecting your instinctive shooting style. The Armalaser TR4 Green Trigger-Mounted Laser for S&W Shield is secured in a rugged DuPont Zytel FRN polymer housing to outlast harsh conditions in the field. You can adjust the windage and elevation to ensure peak accuracy and you have the option of a steady or pulsing beam to best suit your needs. Gain an accurate aiming point without taking up space on your pistol with the Armalaser TR4G Laser for Smith & Wesson Shield. Specifications for ArmaLaser Laser Sight for S&W: Manufacturer: ArmaLaser Color: Black Laser Output: 4 mW Battery Type: Lithium Battery Life: 2 hours Gun Make: Smith & Wesson Fabric/Material: DuPont Zytel FRN Polymer Condition: New Mount Type: Trigger Guard Mount Features of ArmaLaser Laser Sight for S&W Grip-Touch Activation Ultra-bright Class 3R 635nm Package Contents: ArmaLaser Laser Sight for S&W What firearm models does the manufacturer say ArmaLaser Laser Sight for S&W is compatible with? The manufacturer says that ArmaLaser Laser Sight for S&W is compatible with Smith & Wesson Sigma Smith & Wesson M&P ShieldArmaLaser TR15G: Green Laser Sight for S&W Sigma Series Black