This Short AR-15 3/4 inch riser mount Picatinny rail is 1.9 inches long and works on AR-15,M4 platforms and other firearm platforms with a Weaver/ Picatinny/ MIL-STD 1913 rail. This riser will get low mounted optics and rais up another ¾ of an inch. Black hard anodized aluminum construction.
