The 1/2" Picatinny Riser Mount provides an additional 1/2" of height to your mounting rail it is 1.6 inches long. If installing a AR-15 rifle scope, two 1/2" Picatinny Riser Mounts will be required. The AR-15 1/2 inch picatinny riser is made form black anodized aircraft grade aluminum and accepts all standard Weaver/Picatinny 1913 accessories.
