ProMag 1911 Government .45 ACP 40-Round Drum Magazine
High-capacity 40-round drum magazine for 1911 Government Model pistols in .45 ACP. Durable polymer construction with heat-treated steel spring and blue steel tower. Made in USA.
ProMag 1911 Government .45 ACP 40-Round Drum Magazine
This is a serious magazine for shooters who demand capacity without compromise. The 40-round drum configuration transforms your 1911 Government Model into a formidable platform for extended shooting sessions, competition, or home defense scenarios where magazine changes must be minimized.
Construction & Materials
Drum Housing: Engineered from proprietary DuPont Zytel-based polymer—a mil-spec compound selected for durability, reliability, and resistance to environmental stress.
Magazine Tower: Blue steel upper tower provides a rigid interface with your pistol's magazine well, ensuring consistent feeding and reliable extraction.
Follower & Spring: Injection-molded follower paired with a heat-treated stainless steel wire spring maintains consistent pressure throughout the magazine's capacity range.
Performance & Reliability
ProMag combines traditional manufacturing techniques—stamping and welding of heat-treated high carbon steel—with modern precision injection molding. This hybrid approach delivers magazines that function reliably while withstanding the demands of serious shooters.
Warranty & Support
Every ProMag magazine is backed by a lifetime guarantee against manufacturer's defects. Made in the USA, this magazine represents a commitment to quality and American manufacturing.
Specifications
- Capacity: 40 rounds
- Caliber: .45 ACP
- Fit: 1911 Government Model
- Material: Polymer with steel components
- Color: Black
- Origin: Made in USA
Features
- drum housing constructed of a proprietary dupont zytel based polymer
- magazine upper tower has full length steel internal insert stamped and welded like the factory magazine
- injection molded magazine follower
- magazine spring formed from heat treated stainless steel
- made in usa
