The ProMag COL03 is an 8-round detachable magazine designed for the 1911 Government model in .45 ACP. It features a heat-treated blued steel body for structural durability and polymer components for reliable feeding. This magazine is produced in the United States and intended as a factory-compatible spare or replacement for Colt-style 1911 Government pistols.
Key Specifications
- The magazine capacity is 8 rounds.
- The cartridge is .45 ACP.
- Compatible with the 1911 Government model pistol.
- Constructed from heat-treated blued steel for the body.
- The follower, lock-plate, and base-plate are molded from a DuPont Zytel-based polymer.
- The exterior finish is Blued.
- Country of origin: Made in the USA.
- The listed weight is 0.15 lb.
- Overall dimensions are approximately 0.85 x 4.35 x 7.80 inches.
- Package includes 1 magazine.
Well-suited as a carry spare or range magazine for owners of 1911 Government pistols chambered in .45 ACP, the COL03 combines a steel body with polymer internals to balance durability and consistent feeding. ProMag assemblies use heat-treated springs and production QA to maintain functionality over repeated cycles and come with the manufacturer’s stated guarantees.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




