Experience superior performance with the CMMG 54AFC44 5.7 AR Conversion Magazine, featuring an upgraded capacity of 10 or 32 rounds for optimal shooting. Redesigned for enhanced functionality, this magazine is perfect for enthusiasts seeking reliability and style. Engineered for compatibility with CMMG's 5.7x28 Radial Delayed Blowback Uppers, these magazines offer an advanced grip and improved feed lips, ensuring flawless cycling and user comfort during operation. Upgraded Feed Lips New texture pattern Engraved 5.7x28mm Works with Radial Delayed Blowback Uppers and Mk4/Mil-Spec AR15 lower receivers Elevate your shooting experience with this innovative magazine designed for peak performance.