A Thompson is just not a Thompson without the most famous accessory item ever - the Drum Magazine. The impressive look and feel of the Drum Magazines are unsurpassable. Each authentic drum is entirely U.S. manufactured to the exact specifications as the originals The 10 Rd. and 50 Rd. drums have a diameter of 6-3/4" and 100 Rd. drum has a diameter of 8-3/4" Each drum is shipped with a drum installation device (3rd hand) Will only fit 1927-A1 Thompson models Will fit Modern Thompson guns made in Worcester, MA. Will NOT fit Thompson M1 models (Military version of Thompson-If it has a side charging handle then it is an Thompson M1 Model) Will NOT fit Thompson guns made in West Hurley, NY or before 1990. | Auto Ordnance Tommy Gun Drum Magazine | .45 ACP in Black/Blue Steel | 50 Rounds
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