The Reptilia® AUS Mount is a proven scope mount designed to deliver unequaled strength and stability when attached to any 1913 Picatinny rail. Machined from a single piece of 7075-T6 billet aluminum with a corrosion-resistant Type III hard-anodized finish, this precision-machined scope mount boasts a nitride-finished, spring-loaded steel clamp and custom bolt mounting system for a secure lockup, while the low-profile and streamline design eliminates snag hazards for dependable handling in the field. Plus, this mount includes all installation hardware for dependable service right out of the box. Made in USA.