This is a rifle laser sight and the sellest in the market,and it was recognized by customers.The laser sight was developed and produced by ourself,and has the main characteristics as the following: good waterproof  function, strong compression resistance,still working from - 25 ℃  to + 55 ℃ and not  affected by the worst environment, materia is  aluminum 6061-T6 and surface  treatment with  hardcoat black anodized, reliable quality and easy to install.If you are a gun enthusiast and interested in this laser sight, please contact me as soon as possible, I believe that it will be very suitable for your beloved gun.