Ultimag Magazine Features: The Fab Defense Ultimag 10rd magazine holding 5.56x45mm NATO, compatible with the AR-15, M4 and M16. Ultimag Magazine Specifications: Brand: FAB Defense Caliber: 5.56x45mm NATO Model: Ultimag Model Part Number: FX-UMAGR10 Material: Polymer Model Fit: AR-15,M4,M16 Weight: 3.53 oz More Information Caliber 5.56 Capacity 10 Condition New in Box Finish Per Color Black Manufacturer Fab Defense Manufacturer Part Number FX-UMAGR10 Model Ultimag Type AR Magazines UPC 7290105942524
