ProMag COLA5 15-Round 45 ACP Magazine for 1911 Government Blued

The ProMag COLA5 extends 1911 Government capacity from standard 7-8 rounds to 15 rounds of 45 ACP without sacrificing reliability. This extended magazine transforms single-stack pistols into higher-capacity platforms while maintaining the classic 1911 profile and functionality.

What Makes This Different

Unlike flush-fit magazines, the COLA5 features an extended body that houses additional cartridges in a single-stack configuration. The blued steel construction matches original 1911 finishes while providing corrosion resistance superior to standard parkerized alternatives. Internal components utilize heat-treated spring steel rated for over 10,000 compression cycles.

Key Features

• 15-round capacity increases firepower by 100% over standard magazines
• Blued steel body construction with anti-corrosion properties
• Heat-treated magazine spring maintains consistent tension
• Compatible with 1911 Government frame pistols in 45 ACP
• Extended baseplate provides positive grip during reloads
• Single-stack design preserves 1911 ergonomics
• Drop-free functionality ensures reliable magazine changes

Range testing demonstrates reliable feeding across multiple 45 ACP bullet weights from 185 to 230 grains. The extended length provides enhanced grip purchase during tactical reloads while maintaining compatibility with standard magazine pouches. Competition shooters benefit from reduced reload frequency during extended strings of fire, while home defense applications gain increased round count without requiring backup magazines.

Technical Specs

• Capacity: 15 rounds of 45 ACP
• Construction: Blued carbon steel body
• Compatibility: 1911 Government frame pistols
• Overall length: Approximately 6.5 inches
• Spring material: Heat-treated steel wire
• Follower: High-impact polymer
• Country of origin: United States

The COLA5 addresses the primary limitation of 1911 pistols while preserving their inherent accuracy and reliability. Professional gunsmiths recognize ProMag's consistent manufacturing tolerances and material specifications across their magazine lineup.