Product DescriptionRedesigned with a fresh look and functional upgrades, the CMMG 5.7x28mm AR Conversion Magazine is built for reliable feeding and confident handling in compatible AR platforms. It features upgraded feed lips, a new stylized texture grip pattern for improved control, and "5.7x28mm" engraving on the sides for fast identification. This 10-round magazine is designed to work with CMMG 5.7x28 Radial Delayed Blowback Uppers and Mk4/Mil-Spec AR-15 lower receivers.Product Highlights Upgraded feed lips help promote consistent, dependable feeding New texture pattern improves grip and handling during reloads Engraved "5.7x28mm" marking for easy caliber identification Designed for use with CMMG 5.7x28 Radial Delayed Blowback uppers and Mk4/Mil-Spec AR-15 lower receivers 10-round capacity magazine for 5.7x28mm AR conversion setupsSpecs Brand: CMMG Manufacturer Part Number: 54AFC44 UPC: 810097507630 Caliber: 5.7x28mm Capacity: 10 rounds Compatibility: CMMG 5.7x28 Radial Delayed Blowback Uppers; Mk4/Mil-Spec AR-15 lower receivers Notable Features: Upgraded feed lips; stylized texture grip; engraved "5.7x28mm" Approx. Weight: 0.1 lbDisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.