Auto-Ordnance Thompson 100rd Drum Mag .45 ACP Blued

This is a 100-round drum magazine manufactured to fit Thompson long guns chambered for .45 ACP. The magazine is constructed from blued steel and ships with a drum installation device. The drum is produced in the U.S. and matches the dimensional specifications provided for Thompson carbine-style drums.

Key Specifications

• The capacity is 100 rounds.
• The caliber is .45 ACP.
• The material is steel.
• The finish is blued.
• Designed to fit 1927-A1 Thompson style long guns.
• The overall diameter measures approximately 8.75 inches.
• The package includes a drum installation device.
• Documented exterior dimensions are 2.75 x 9.75 x 13.60.
• The country of origin is US.
• The product type is a drum magazine.

Durable blued-steel construction and a high-capacity design make this drum suitable for range sessions, historical collections, and applications where extended capacity is desired. The included installation device simplifies fitting to compatible Thompson long guns and the U.S. manufacture aligns with period-correct dimensions for collectors and users who require authentic replacement parts.