The Spuhr HK MP5 Top Rail is an extremely lightweight, but incredibly strong interface for mounting accessories on your rifle. Low profile top rail retains the correct factory height for line of sight. Made from single billet of 7075 T651 0.51" high from top of receiver to top of rail 4.92" OAL The Spuhr Top Rail is a great way to outfit your HK MP5 with optics or other top mounted accessories. Mfg: Spuhr
