The ProMag DRMA105 is a drum magazine specifically made for the Auto-Ordnance Thompson Carbine chambered in .45 ACP. It features robust construction using modern materials for reliable operation and extended use.
40-round drum designed for Thompson Carbine in .45 ACP
Constructed from proprietary DuPont Zytel polymer
Heat-treated stainless steel magazine spring
Made in the USA, this drum magazine provides a durable and convenient option for Thompson platform owners seeking increased ammunition capacity.