The Auto-Ordnance M1 .30 Caliber carbine is produced in Kahr's state-of-the-art manufacturing plant in Worcester MA. The Auto-Ordnance carbines are produced using newly manufactured parts on high precision computerized machinery.

Markings include the following: Auto-Ordnance Worcester MA behind the rear sight; U.S. Carbine Cal. 30 ML on the receiver in front of the bolt and the serial number is engraved on the left side of the receiver.