WWII Thompson Submachine Gun Magazine Lot – Seymour Products Co. – (2) 30-Round & (1) 20-Round Magazine

Original WWII Thompson submachine gun magazine lot consisting of three Seymour Products Company magazines, including two 30-round stick magazines and one 20-round stick magazine.

All three magazines are marked:

“The Seymour Products Co. – Seymour, Conn.”

Seymour Products was one of the principal wartime contractors supplying magazines for the Thompson submachine gun during World War II. Original Seymour-marked magazines remain highly sought after by collectors restoring or displaying WWII-era Thompson submachine guns.

The lot includes:

• (2) Original 30-round stick magazines
• (1) Original 20-round stick magazine
• Seymour Products Co. markings present
• Original blued finish with expected age and handling wear

These magazines were manufactured for wartime Thompson submachine guns and are generally compatible with original WWII Thompsons and many full-auto military-pattern receivers. As noted, they are not intended for modern semi-automatic reproduction Thompsons, which often require modified magazine catches or different magazine dimensions.

Condition shows honest military surplus wear, including finish loss, scattered oxidation, scratches, and handling marks consistent with age and storage. Overall, they remain attractive original examples with strong collector appeal.

An excellent addition to any WWII Thompson, U.S. military firearms, or submachine gun accessory collection.

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