The AD-1700-XLR-TL Riser provides a QD solution for an extended length picatinny rail, offering a .60″ rise above the mounting surface. The overall length of this mount is 5.5″ and offers a forward cantilever to push the optic over the handguard for use with helmet mounted night vision devices. This mount is perfect for mounting the XPS and EXPS EOTECH HWS and magnifier combos. The centerline height is 2″ with the 512/XPS Models and 2.33″ with the EXPS Model EOTECH Sights.