ProMag Thompson Carbine 40-Round Drum Magazine .45 ACP
ProMag 40-round drum magazine for Thompson .45 ACP carbines. Durable polymer construction with heat-treated stainless steel spring. Made in USA.
ProMag Thompson Carbine Drum Magazine
This 40-round drum magazine is purpose-built for the Thompson .45 ACP carbine platform. It delivers the high-capacity firepower that made Thompson submachine guns legendary, now adapted for modern sporting use.
Construction & Reliability
- Polymer Housing: Constructed from proprietary DuPont Zytel-based polymer for durability and lightweight handling
- Injection-Molded Follower: Precision-engineered follower ensures smooth, reliable feeding
- Heat-Treated Stainless Steel Spring: Professional-grade spring maintains consistent tension and reliability through extended use
- Made in USA: Manufactured domestically to exacting standards
Performance
The drum design provides 40 rounds of .45 ACP capacity, giving you extended shooting sessions without frequent magazine changes. The robust construction handles the demands of range work, sport shooting, and tactical training.
Whether you're running your Thompson carbine for competition, training, or recreational shooting, this magazine delivers the reliability and capacity that serious shooters demand.
