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 Mountain Tech rails provide a lightweight and robust platform for your rifle. Warne Mountain Tech is the ultimate lightweight precision scope mounting system. Precision CNC machined from 7075/T6 aluminum for a high strength and lightweight platform; Mil-Spec hardcoat anodized finish for abrasion and corrosion resistance; bases feature black zinc coated hardware for Element Proof protection and self centering tapered T-15 Torx screws. Fits Picatinny and Weaver style mounts and are NATO-STANAG compatible. Includes 8-40 screws.