The Warne Bergara Premier HS Precision SA Mountain Tech Tactical Scope Rail has been manufactured for quality and built to withstand the elements. The Warne Bergara Premier HS Precision SA Mountain Tech Tactical Scope Rail is the ultimate lightweight precision scope mounting system for those long days spent in the backcountry with your hunting party. NATO-STANAG compatible Mil-Spec hardcoat anodized finish Self centering tapered T-15 Torx screws Black zinc coated hardware for "element proof" protection Come with 8-40 Base Screws Don't let your yourself down with second-rate gear when the Warne Bergara Premier HS Precision SA Mou Mfg: Warne Mfg. Company