The MAG CMMG MK4/AR15 5.7X28MM 10RD is a top-tier choice for firearm enthusiasts seeking reliability and performance in their shooting experience. This CMMG 5.7x28mm magazine is expertly designed to enhance your AR15 5.7x28mm setup, offering a seamless fit with CMMG 5.7x28 Radial Delayed Blowback Uppers and Mk4/Mil-Spec AR15 lower receivers. With a capacity of 10 rounds, this CMMG 10 round magazine is perfect for those who prioritize precision and control. The magazine's new stylized texture grip and 5.7x28mm engraving on the sides not only provide a sleek, modern look but also ensure a secure hold during use. The upgraded feed lips are engineered to deliver consistent and reliable feeding, making it an ideal choice for both recreational shooting and tactical applications. Finished in a matte black color, this CMMG rifle magazine is as durable as it is stylish, designed to withstand the rigors of regular use. As a CMMG Gen II magazine, it represents the latest in magazine technology, ensuring compatibility and performance with your CMMG MK4 magazine setup. Whether you're using it as a 5.7 AR Conversion Mag or as part of your AR15 5.7x28mm configuration, this magazine is built to exceed expectations. With its manufacturer part number 54AFC44 and UPC 810097507630, the CMMG AR15 magazine is a must-have for any serious shooter looking to optimize their firearm's capabilities.