Founded by John T. Thompson as the company that would go on to launch the historic Thompson submachine gun, Auto Ordnance stays true to the heritage of America’s most iconic weapons while continually refining and improving designs. From the WWII battlefields of Europe to the Mafia days in Chicago, the 1927 Thompson Sub-Machine Gun has become a cultural icon. Matching ferocity and portability, it gave Airborne soldiers the ability to have high firepower without the need to carry the heavy weight of conventional machine guns and heavy weapons in the battlefields of Europe. Whether you have an original Thompson or a new rendition, these 20 round stick magazines will let your firearm operate the way it was intended, with ferocity and reliability.

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Shipping Restrictions

It is the customer’s responsibility for understanding state laws regarding all purchases made. For a comprehensive list of all Shipping Restrictions, please refer to our Shipping Restrictions By State Page found Here.

All NFA Rules Apply

These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

It is the customer’s responsibility for understanding state laws regarding magazine capacities. Palmetto State Armory abides by all state regulations regarding the sale of high capacity magazines. We DO NOT ship high-capacity magazines with firearms to certain states. We WILL NOT replace high capacity magazines with state compliant magazines. We DO NOT offer refunds in place of the magazines. Please see our terms and conditions for a list or restricted states.

California 10+ Round Magazine Buyers: PSA values your freedom and constitutional rights above all else. However, PSA will not accept new orders nor will ship any order until the Ninth Circuit Federal Court of Appeals mandate becomes finalized. Once this mandate is finalized, we will start accepting new orders and ship 10+ round magazines to California Customers.