Mdt Sporting Goods Inc 102187BLK Picatinny Scope Rail Black Anodized Aluminum 11" Long, Fits Remington 700 SA, 20 MOAMDT picatinny scope rails are machined from aluminum stock to be precise, durable. The 20MOA rail is the industry standard for hunting rifles, PRS rifles or generally long range shooting. They are machined from 6061 T6 aluminum, then hard anodized black for a durable finish. The underside of the rails are profiled to allow the rail to be mounted flush on the receiver and to match the geometry of the ejection port. These rails are designed with a 20