Warne Mountain Tech rails offer shooters the advantage of a consistent mounting platform across multiple firearms, enhanced ability to adjust proper eye relief and superior alignment of ring mounts. With self-centering hardware and aerospace grade materials our Mountain Tech rails provide a lightweight and robust platform for your rifle.Features:Precision CNC machined from 7075/T6 aluminum for high strength & lightweight performanceMil-spec hardcoat anodized finish for abrasion and corrosion resistanceBases feature black zinc coated hardware for "Element Proof" protectionSelf centering tapered T-15 Torx screwsFits Picatinny & Weaver style mounts and are NATO-STANAG compatible