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 are computer-monitored for penetration, diameter & dimensional integrity; Proprietary snap on anti-tilt follower; Aluminum magazines w/Type 3 mil spec finish & 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)