ZRO Delta Modulus Duty Barrel 9mm 4.58 Barrel Features The ZRO Delta Modulus Duty Barrel features a nitride finish that provides excellent corrosion resistance and simplified upkeep under heavy use. Its 9mm configuration and 4.58 inch length offer a balance between compact maneuverability and ballistic performance making it well suited for duty carry and training. Precision machining ensures consistent chamber alignment and dependable feeding with compatible magazines. Designed to swap seamlessly into the Modulus platform without permanent modification this barrel supports modular adaptability and enhanced performance. The length provides increased sight radius compared to shorter barrels while maintaining overall compactness. It is an excellent choice for shooters seeking reliable control and optimized performance in a duty capable setup. ZRO Delta Modulus Duty Barrel 9mm 4.58 Barrel Specifications Manufacturer: ZRO Delta Model: Modulus Duty Barrel Caliber: 9mm Barrel Length: 4.58 inches Finish: Nitride Application: Replacement Barrel Compatibility: ZRO Delta Modulus Platform