Mec-Gar 7-Round .45 ACP Magazine for 1911 Officer - Blued Steel

The Mec-Gar MGCO4507BPF delivers reliable feeding and extended capacity for 1911 Officer pistols chambered in .45 ACP. This 7-round magazine extends shooting sessions while maintaining the compact profile essential for concealed carry applications.

What Makes This Different

Mec-Gar magazines undergo heat treatment and stress testing that exceeds industry standards, resulting in feed lips that maintain tension after thousands of loading cycles. The proprietary spring steel construction provides 15% more consistent tension than standard GI magazines. Italian manufacturing ensures dimensional accuracy within 0.001 inches, eliminating the feeding issues common with aftermarket alternatives.

Key Features

• 7-round capacity extends standard 6-round Officer magazine by one cartridge
• Heat-treated carbon steel body with anti-corrosion blued finish
• Chrome-silicon spring steel maintains consistent tension through 10,000+ cycles
• Precision-formed feed lips prevent rim lock and double feeds
• Drop-free design with textured baseplate for positive extraction
• Compatible with all 1911 Officer models in .45 ACP
• Flush-fit profile maintains concealment advantages

Range testing demonstrates consistent chambering across various .45 ACP loadings, from 185-grain target rounds to 230-grain defensive ammunition. The magazine functions reliably in temperatures from -20°F to 140°F, making it suitable for duty carry in extreme climates. Competition shooters report smooth reloads during rapid-fire strings, while the robust construction withstands repeated tactical reloading practice.

Technical Specs

• Capacity: 7 rounds of .45 ACP
• Overall Length: 5.5 inches
• Body Material: Heat-treated carbon steel
• Finish: Traditional blued steel
• Spring: Chrome-silicon steel wire
• Follower: High-impact polymer
• Compatibility: 1911 Officer models (.45 ACP only)
• Country of Origin: Italy

Mec-Gar's OEM contracts with major firearms manufacturers validate their engineering standards and quality control processes. This magazine ships ready for immediate use, backed by the company's reputation for producing magazines that often outlast the firearms they serve.