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Mec-Gar USA
A Mec-Gar MGCO4507BPF blued 7-round .45 ACP magazine for 1911 Officer builds on decades of Mec-Gar's reputation for making reliable, American-made magazines. If you carry or shoot a compact 1911 Officer model, you'll appreciate the straightforward engineering here: a carbon steel tube heat-treated for durability, paired with components designed to feed and function without fuss. The 7-round capacity matches the Officer's frame while delivering real utility for defensive carry, match shooting, or training without the bulk of a full-size 1911 magazine.
Mec-Gar engineered this magazine around proven principles. The internal components link together, making field disassembly and reassembly simple—no mystery springs or lost pins. A lubricated nylon polymer follower with a metal insert keeps everything aligned and lets the slide stop engage properly every time, feeding all standard .45 ACP ammunition reliably. The spring itself is wound from higher tensile music wire with phosphate coating, a design that resists fatigue and corrosion while easing the manufacturing process for consistent performance across the run.
The removable butt-plate is high-impact polymer, tapered to seat smoothly in funneled mag wells and designed to take daily loading, unloading, and carry. The blued finish matches classic 1911 aesthetics and provides baseline corrosion resistance. Whether you're building a second magazine for your Officer or stocking up for a match, this is the kind of straightforward, no-nonsense component that keeps 1911s running.
| Caliber | .45 ACP |
| Capacity | 7 rounds |
| Firearm Platform | 1911 Officer |
| Tube Material | Carbon steel, heat-treated |
| Follower | Lubricated nylon polymer with metal insert |
| Spring | Music wire with phosphate coating |
| Butt-Plate | High-impact polymer, removable |
| Finish | Blued |
Yes, the Mec-Gar MGCO4507BPF is designed specifically for 1911 Officer-sized frames and comes with a tapered butt-plate that seats properly in funneled mag wells common to Officer models.
Yes. The internal components are linked together, making the magazine simple to take apart and put back together in the field without special tools.
The magazine is designed to feed all standard .45 ACP ammunition reliably, thanks to the lubricated nylon polymer follower and proper metal insert alignment.
Yes, the butt-plate is removable high-impact polymer, so you can access the interior for cleaning or inspection.
Mec-Gar USA
A Mec-Gar MGCO4507BPF blued 7-round .45 ACP magazine for 1911 Officer builds on decades of Mec-Gar's reputation for making reliable, American-made magazines. If you carry or shoot a compact 1911 Officer model, you'll appreciate the straightforward engineering here: a carbon steel tube heat-treated for durability, paired with components designed to feed and function without fuss. The 7-round capacity matches the Officer's frame while delivering real utility for defensive carry, match shooting, or training without the bulk of a full-size 1911 magazine.
Mec-Gar engineered this magazine around proven principles. The internal components link together, making field disassembly and reassembly simple—no mystery springs or lost pins. A lubricated nylon polymer follower with a metal insert keeps everything aligned and lets the slide stop engage properly every time, feeding all standard .45 ACP ammunition reliably. The spring itself is wound from higher tensile music wire with phosphate coating, a design that resists fatigue and corrosion while easing the manufacturing process for consistent performance across the run.
The removable butt-plate is high-impact polymer, tapered to seat smoothly in funneled mag wells and designed to take daily loading, unloading, and carry. The blued finish matches classic 1911 aesthetics and provides baseline corrosion resistance. Whether you're building a second magazine for your Officer or stocking up for a match, this is the kind of straightforward, no-nonsense component that keeps 1911s running.
| Caliber | .45 ACP |
| Capacity | 7 rounds |
| Firearm Platform | 1911 Officer |
| Tube Material | Carbon steel, heat-treated |
| Follower | Lubricated nylon polymer with metal insert |
| Spring | Music wire with phosphate coating |
| Butt-Plate | High-impact polymer, removable |
| Finish | Blued |
Yes, the Mec-Gar MGCO4507BPF is designed specifically for 1911 Officer-sized frames and comes with a tapered butt-plate that seats properly in funneled mag wells common to Officer models.
Yes. The internal components are linked together, making the magazine simple to take apart and put back together in the field without special tools.
The magazine is designed to feed all standard .45 ACP ammunition reliably, thanks to the lubricated nylon polymer follower and proper metal insert alignment.
Yes, the butt-plate is removable high-impact polymer, so you can access the interior for cleaning or inspection.
