*Comes with a removable standard Picatinny mount and pistol mount (replace rear sight) fits certain SW models like Smith & Wesson M&P Full Size, M&P 2.0 Full Size, M&P 22 Full Size, M&P Compact, M&P 2.0 Compact, SD9VE, SD40VE, M&P Shield*The included gun mount for SW is not compatible with Smith & Wesson M&P CORE Series (already optic ready), M&P Shield EZ .380, M&P .22 Compact, SW9VE, SW40VE, SW40, SW9, Sigma, 1911*1.75"e;L x 1.25"e;W x 1.15"e;H. Shockproof, fogproof, and waterproof for 30 minutes under 4-foot water. Features 1 windage and elevation adjustment with audible clickAde Advanced Optics first made its appearance in the firearms accessory industry by doing private label production for several major manufacturers and retailers. During this period, Ade Advanced Optics began receiving requests from numerous customers for access to the affordable, high quality products that Ade Advanced Optics was capable of producing. By soliciting feedback from both clients and end users, Ade Advanced Optics was able to overcome the challenges a new company often faces when entering a global market and industry, especially one as competitive as the shooting, hunting, and outdoors industry.