C Products Defense(CPD) magazines because “"A Firearm is Only as Good as its Magazine©". Most tested magazine in the world—. Over 100,000 continuous rounds fired with 0 failures. Robotic welds computer-monitored for penetration, diameter and dimensional integrity; proprietary snap on anti-tilt follower; aluminum magazines with type 3 mil-spec finish and teflon™ coating that meet or exceed US military specifications; 400 series stainless steel magazines with unique scratch-resistant coating, tough enough to withstand the pressure of a parked Humvee and still function flawlessly. Made in US (less)