CZ-USA has identified a manufacturing defect affecting the barrel of certain CZ All-American Trap Combo shotguns. CZ All-American Trap Combo shotguns with serial numbers that begin with 57-H23UU or 57-H24UU are included in this safety recall notice. Owners of affected unsingle barrels within that serial number range should immediately cease their use to prevent the possibility of serious personal injury or life-threatening situations. CZ-USA will inspect unsingle barrels within that serial number range and, if a defect is found, replace it free of charge. CZ-USA appreciates patience and understanding as it ensures every firearm meets its strict safety and quality standards, and apologizes for this inconvenience.