* One-piece Integral Picatinny/Weaver Tri-Rails Attached to Receiver Cover * Accepts All Varieties of Scopes, Tactical Flashlights, and Lasers * Additional STANAG Dimension for Versatile Applications * Ideal Height, Length and Spacing to Accommodate Versatile Applications * Rings included. * Does not include scope, flashlight or laser (See pgs 7, 8 & 9)