The Holosun Rail Mounted Laser Sight, Single Green Laser, Black, RMLGR Color: Black, Beam Color: Green, Finish: Paint, Attachment/Mount Type: Universal, Battery Type: CR1/3N, Stand Alone Lithium, Operating Temperature: -20 - 51 Celsius, Water Resistance Level: IPX-8, Gun Model: Universal, Length: 1.97 in, Width: 1.18 in, Height: 0.9 in, Weight: 1.3 oz, Fabric/Material: Polymer, Condition: New. is here at OpticsPlanet with great prices and discounts Best Rated! Please also check out more options for Holosun Rail Mounted Laser Sight.