Warne Mfg XSKEL30DE: One piece Cantilever MSR mount designed to have the \"Ideal Height\" for Modern Sporting Rifles, the Xskel places the optic at the proper height and forward position on AR platforms. Skeletonized design along with steel hardware and threaded inserts provides a lightweight and rigid mounting platform. The Gen II Edition Xskel mount is CNC precision machined from 6061 aluminum and we\'ve been able to reduce the weight by utilizing a skeletonized body and ring caps. The Xskel provides 2\" of forward cantilever and a one piece side clamp design for additional strength. The extra cantilever provides proper eye relief when using scopes with large eye boxes.