CMMG Replacement Magazine Gen 2 32rd 5.7x28mm Black Polymer Fits MK4/AR-15 Platform 54AFCC8

Redesigned with a brand-new look CMMG's 5.7 AR Conversion Magazines feature a number of improvements. From the new stylized texture grip and 5.7x28mm engraving on the sides to the upgraded feed lips these magazines are built to exceed your expectations. 5.7 AR Conversion Mags are available in 10 or 32 round capacity and are designed to work with CMMG 5.7x28 Radial Delayed Blowback Uppers and Mk4/Mil-Spec AR15 lower receivers. Manufacturer Part Number: 54AFCC8