Specifications Brand: Golden Eagle Material: Metal Color: Black Compatibility: 20Mm Picatinny Rails Package Includes: 1X Diopter Rear Sight Features Slim And Low Profile Design Takes Little Rail Space Full Metal Constructed Component Withstands Rigorous Use Compatible With 20Mm Picatinny Rails Assists In Quick Target Acquisition At Closer Range Diopter Style Circular Rear Sight Pairs Well With Diopter Style Adjustable Front Iron Sights