DETAILS Anti-reflection devices have been used in military and police applications for many years to eliminating excess scope glare and hide any glint as to not give away your position. However, these devices have many more practical advantages for the everyday user. Eliminating scope glint can also be helpful in hunting situations as bright reflections can possibly scare away deer. It also is extremely helpful in keeping your glass clean from dirt and debris that can possibly scratch the lens. This anti-reflection device is made from anodized black aluminum and is easily installed by screwing it into the objective lens. This model only fits the Primary Arms SLx 25mm red dots. Features: Only fits Primary Arms SLx 25mm Red Dot models Eliminates glare and glint off the front lens Protects scope lens from dirt and debris Made from durable anodized black aluminum Easy to install Built on the foundation that customer service is the most important product/service a company can offer, Primary Arms is dedicated to meeting the need of every customer with the utmost respect. Not only do we provide excellent customer service, we offer fast shipping and competitive prices on everything we sell. If our foundation is customer service, then our structure is the increasing line of high quality, dependable optics designed right here in Texas. Our goal; to provide firearms enthusiasts, professional shooters, and servicemen and women the right tools for the job at an affordable price.