ZRO Delta Modulus Extended Conversion Kit 5.31 Barrel Features The centerpiece of the kit is a precision manufactured 5.31 inch barrel that increases sight radius and velocity potential compared to standard configurations. Built for consistent alignment and reliable feeding it integrates seamlessly with the Modulus modular system. Included in the kit is an extended length slide assembly measuring 8 inches overall providing improved slide mass and balance for follow-up shot control. An extended length dust cover adds rigidity and accessory mounting real estate while the extended magwell assists with faster reloads and ergonomic grip placement. Together these components enhance the overall performance and adaptability of the Modulus platform. ZRO Delta Modulus Extended Conversion Kit 5.31 Barrel Specifications Manufacturer: ZRO Delta Model: Modulus Extended Conversion Kit Barrel Length: 5.31 inches Slide Assembly: Extended Length (8 inches) Dust Cover: Extended Length Magwell: Extended Length Magwell Compatibility: ZRO Delta Modulus Platform Application: Modular Conversion Kit Finish: Black