Every DNZ Scope Mount is precision machined in North Carolina from Top Grade, Solid Billet Aluminum. Ultralight with maximum shock absorption, there are no movable parts between rifle and scope.Features :CVA Cascade Short ActionPrecision Machined from a Solid Block of Top-Grade Billet 6061T6 AluminumCustom Made to Fit Each Type of Firearm and Align Perfectly with Your Rifle Receiver67% Lighter Than Comparable One-Piece Mounts with Four Times the Threads and Precision Socket-Head Cap Screws for Absolute Strength and SecurityMade in the USA