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 w/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 USA (less)