Horizontally split rings modeled after the X-SKEL and R.A.M.P. Mount design. - Skeletonized ring body and caps for weight reduction. - Places your optic at the IDEAL HEIGHT for Modern Sporting Rifle platforms. - Quickly detach and reattach the QD wingnut style with no loss of zero. - #8 Torx style fasteners with steel threaded inserts. - Square crossbolt for positive engagement of ring to base and superior recoil absorption.