The burris p.E.P.R.(proper eye position ready) mount has become the absolute go-to mount of choice for an incredibly solid long-lasting cantilever mount.It makes mounting an optic to an ar-style rifle very easy providing the necessary clearance and adding as much as 2" of forward scope positioning.It also ensures proper eye placement.The pepr mount is a perfect ar or flattop mounting solution.Length: 4.15"Type: Scope MountModel: AR-P.E.P.RStyle: CantileverMisc: 30mm RingFinish: Black MatteMaterial: SteelPieces: 1Mount Type: Picatinny/WeaverRings Included: Yes