Crimson Trace Corporation RailMaster Green Laser and Tactical Light, Universal Rail Mount, Black Finish CMR-204
Specifications:

Wavelength	515-532 nm
Dot Size	.50" @ 16.667 yds
Power	5mW
Range
Weight
Battery	CR2 Lithium
Laser Color	Green
Firearm Fit	Universal w/Picatinny Rail
Reticle
Power Switch	On/Off
Adjustments	Windage & Elevation
Finish	Black
Mount Type	Picatinny/Weaver