
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 unsurpassed. - Attributes - 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)-SKU: T31