SureFeed magazines are 100% made in the U.S.A." with all-American components. The magazine bodies and floor plates are lightweight aluminum and heat-treated to Mil-Spec requirements for strength and durability. SureFeed magazines allow for speed" accuracy and precision for the expert marksmen or law enforcement professional who cares about true quality.Mil-Spec Strength and DurabilityAnti-Tilt FollowerStainless Steel Spring