The CQTWS DUTY SERIES is a precision made combat rifle offered in either 5.56 Nato or 300 Blackout. Features a full length, free float handguard with M-LOK® mounting system and exact torque barrel nut. This process helps ensure the accuracy and repeatability of the CQTWS CQT15(5.56) and CQT30(300 Blackout) in the manufacturing/assembly process. This weapon system was developed at the request of multiple governments to improve on the existing offerings in the marketplace. Improvement include a precision CNC machined barrel that utilizes the latest in manufacturing processes to ensure a more consistent and accurate barrel with extended life span. High quality, U.S. sourced raw material enable CQTWS to manufacture in house to exact standards and uphold the highest of quality. CQTWS. is not beholden to OEM suppliers and outsourcing production like most of the industry due to being vertically integrated in the manufacturing process. The CQT15 is chambered to fire the 5.56mm cartridge and the CQT30 is chambered to fire the 300 Blackout cartridge. Cartridges are magazine fed and firing is achieved via a direct impingement gas operated system. The lower and upper are precision CNC from U.S. sourced aluminum forgings and features the CQTWS DT™ Gas Block and Gas Tube.