Mec-Gar MGCG4510N Standard Nickel Extended 10-Round .45 ACP Magazine for 1911 Government

The Mec-Gar MGCG4510N is a standard nickel extended 10-round magazine purpose-built for the 1911 Government platform in .45 ACP. If you run a modern 1911 or prefer a reload-friendly capacity boost over factory seven-rounders, this Mec-Gar mag delivers the extra rounds without sacrificing the clean lines or handling of your pistol. Mec-Gar has built a reputation supplying military and law enforcement worldwide, and their quality control is visible in every dimension of this magazine.

The nickel finish resists corrosion and matches the aesthetics of stainless or two-tone 1911 builds. The extended floor plate gives you that extra capacity while remaining practical for carry or duty use—you gain genuine firepower without the bulk of full-size competition mags. Heat-treated precision stamping and reinforced feed lips ensure reliable feeding shot after shot, whether you're at the range or training for defensive carry.

Mec-Gar holds its manufacturing tolerances to military spec, regularly auditing critical dimensions to guarantee function and longevity. This is the magazine choice when you want aftermarket reliability that matches or beats factory OEM standards without marketing hype.

Key Features

• 10-round capacity for .45 ACP 1911 Government
• Extended floor plate for improved grip and reload
• Nickel finish for corrosion resistance and appearance
• Heat-treated precision stamped construction
• Strengthened feed lips for reliable chambering
• Military and law enforcement-grade tolerance control

Specifications

Frequently Asked Questions

Will this magazine fit my 1911?

This magazine is designed for the 1911 Government platform in .45 ACP. Verify your 1911 variant before purchase; some clones or variants may require testing for perfect fit.

What's the difference between this extended mag and factory mags?

The extended floor plate adds capacity—you get 10 rounds instead of the typical seven-round factory standard. The extended design also provides a longer grip purchase for reloading, which many shooters prefer for speed and control.

Why choose Mec-Gar over OEM magazines?

Mec-Gar manufactures magazines to military and law enforcement specifications, and many agencies rely on these mags as duty-grade alternatives. The quality control and materials meet or exceed factory standards, and you gain the extended capacity and nickel finish as options not always available in house-brand offerings.