This small rail mount red laser is perfect to mount on any pistol with a weaver type rail underneath the muzzle. It has a slim design without compromising the size of any tactical gun. Made from reinforced polymer with a built in rail on the bottom to mount a flashlight or additional tactical components. It has separate windage and elevation adjustments with an easy to reach On/Off switch. With a bright 635 nanometer red laser, powered by (2) AG13 batteries (included) it will penetrate the darkest nights aiding in target acquisition. Weighing only 1.4 ounces, and dimensions of 2.8"L X 1.1"W X 1.1"H, keeps its slim size a perfect addition to any tactical pistol or SMG gun. (Sig & other components sold separately)**OUT OF STOCK-CALL FOR UPDATES**