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This Rock Island Armory magazine is the genuine OEM replacement component for full-size 1911 pistols chambered in .45 ACP. Built with a steel body and blued finish, it holds ten rounds and is manufactured to the same exacting Armscor specifications used on Rock Island 1911 pistols themselves.
The magazine features one-piece steel construction with a sturdy spring and precise feed lips designed specifically for the 1911 platform. You get the same quality and attention to detail that goes into Rock Island pistols, since these are produced under identical manufacturing standards. The blued finish resists corrosion and gives the magazine a professional appearance that matches factory pistols.
With its ten-round capacity, this magazine strikes a balance between additional firepower and the feeding reliability that 1911s demand. Ten-round single-stack magazines require better feed ramp geometry than standard seven or eight-round mags, so using a quality factory option like this eliminates the hassle of troubleshooting compatibility issues. If you've experienced feeding problems with questionable aftermarket ten-rounders, switching to OEM will often resolve the problem entirely.
This magazine works with Rock Island 1911 models and most other standard single-stack 1911 pistols in .45 ACP. The blued finish drops free from the magazine well without binding, and the construction ensures consistent performance across multiple loading cycles. Whether you're looking to add a spare magazine to your carry loadout or replace a worn unit, having genuine factory magazines removes variables from the equation.
Yes, single-stack 1911 magazines in .45 ACP are designed to be compatible across most standard Government-frame pistols. However, some brands may have tighter tolerances than others. We recommend testing it with your specific pistol to ensure smooth seating and ejection.
Ten-round single-stack magazines put more stress on feed lips since the round column is taller, so they expose any minor issues with feed ramp geometry. Quality factory magazines like this RIA model are designed to handle that stress reliably, but some guns perform better with 8-round mags. If you experience issues, try an 8-round option instead.
Factory Armscor magazines are manufactured to the same tolerances as Rock Island pistols themselves, ensuring consistent performance without compatibility guesswork. Many aftermarket brands have inconsistent quality and weaker springs. Going with OEM eliminates variables and prevents common feeding problems.
Yes, a 1911 magazine can remain fully loaded for extended periods without significant spring degradation or wear. For maximum longevity, it's good practice to rotate your magazines occasionally and inspect them for damage, but keeping one loaded in your safe or on a duty belt is no problem.
| UPC | 812285027043 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 54171-10 |
| Caliber/Gauge | .45 ACP |
| Capacity | 10 |
| Color | Blue |
| Model | |
| Product Type | Magazine |
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