The NCStar APRLSMG is an ultra-bright green laser in a significantly more compact package than previously available, perfect for smaller carbines. This model also has precision windage and elevation adjustments, making zeroing your laser a breeze! With the supplied pressure switch and Weaver style mount, you will also have the flexibility to mount the laser virtually anywhere on your firearm and still be able to activate the laser. Best of all, it's manufactured from aircraft quality anodized aluminum for long-lasting durability.Specifications:Battery Type: CR123A 3V LithiumFinish: Hardcoat AnodizedMaterial: AluminumModes: Constant, Momentary, Green LaserOutput: 5mWPlatform: M1913 PicatinnyWeight: 3.8 Oz