ZRO Delta ZRO1 Features The ZRO Delta ZRO1 features a steel barrel with a 1:8 twist rate optimized for a broad range of bullet weights in both .223 Remington and 5.56 NATO ammunition. A threaded muzzle equipped with an A2 flash hider supports flash reduction while maintaining compatibility with standard muzzle devices. The M-LOK handguard allows flexible accessory mounting without adding unnecessary bulk. Constructed with an aluminum receiver the rifle maintains strength while keeping overall weight at just 6.40 pounds. The adjustable synthetic stock provides customizable length of pull for various shooting positions. A black A2 grip and included magazine complete a ready to deploy rifle configuration. ZRO Delta ZRO1 Specifications Manufacturer: ZRO Delta Model: ZRO1 Series: Ready Series Category: Tactical Rifles Caliber: 223 Wylde Capacity: 30 plus 1 Max Capacity: 30 Overall Length: 36 inches Size: Full Size Barrel Material: Steel Barrel Finish: Black Nitride Barrel Description: Threaded Twist Rate: 1:8 Muzzle: A2 Flash Hider Receiver Material: Aluminum Receiver Finish: Black Handguards: M-LOK Stock Material: Synthetic Stock Description: Adjustable Stock Finish: Black Grips: Black A2 Sights: None Includes: Magazine Weight: 6.40 pounds