The Rifle Adjustable Fiber Optic 5/16'' Wgos Rear Sight in Green is a versatile accessory designed to enhance your shooting precision. Compatible with Universal Rifles this rear sight features an adjustable style allowing for easy customization to suit your shooting needs. The fiber optic technology ensures clear visibility even in low-light conditions by capturing ambient light to create a bright aiming point. Ideal for shooters seeking accuracy and reliability this rear sight combines functionality with a sleek design making it a valuable addition to any rifle setup.