The WILLIAMS Fiber Optic Sights [70960] are designed around fiber optic nodes which gather ambient light to enhance the sight picture. The sights offer a much higher level of visibility and better sight picture. After installing these on your gun you will immediately notice that your ability to acquire the target will be much faster over stock sights. FEATURES: Click adjustment design for windage and elevation adjustment; High visibility fiber optics; Improved visibility in low light conditions; CNC machined out of highgrade aluminum. About Williams Williams Gun Sight Company was started in 1926 by Harvey Williams as a sight manufacture. The company grew its sight manufacturing business over the years then developed a retail store and shooting ranges in Davison, Michigan. In recent years, Williams is the oldest sight company that provides sights to many different gun manufactures.