Patent Pending Dual Quick Detach levers and is constructed from 6061 T6 aluminum for a lightweight and rigid foundation. Steel threaded inserts ensure steel on steel contact between all threaded interfaces and MSR Ideal Height helps the shooter maintain a proper cheek weld and shooting position with any optic on flat top guns. The QDXSKEL gives you a generous forward cantilever for modern scopes while reducing weight with its skeletonized design and the Return-to-Zero performance that Warne® is known for. – Patent Pending Dual Quick Detach levers for fast installation and removal – Lightweight Skeletonized aluminum body and caps to reduce overall weight without sacrificing reliability. – #8 Torx style fasteners with steel threaded inserts to prevent stripping. – Extended design provides over 2 inches of forward cantilever for additional eye relief. – Places the optic at the IDEAL HEIGHT for MSR and similar style platforms – Available in 1 inch 30mm & 34mm Black or Dark Earth – Designed and MADE IN USA