AMI Defense provides precision firearms components made from Aerospace grade quality castings. Our roots are in precision, near net shape investment castings since 1961 as Aero Metals, a 175,000 sq. ft. facility dedicated to aerospace quality investment castings with in-house, mold making expertise and an in-house foundry with metallurgical lab to formulate our own mix of metals to keep the entire casting process under our control. We make parts for several different firearm platforms. All made in the USA! (less)