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The Rock Island Armory 1911 magazine is an OEM factory replacement built by Metalform to exact Armscor specifications and tolerances. This single-stack design holds 10 rounds and works with Rock Island Armory full-size 1911 pistols chambered in .22 TCM, 9mm, or .38 Super. The magazine uses the same manufacturing and materials as Rock Island's original equipment magazines, ensuring perfect fit and operation in compatible firearms.
Unlike generic aftermarket magazines that can present fitment issues with certain 1911 platforms, this factory-spec magazine is purpose-built for Rock Island pistols. The stainless steel body resists corrosion in varied conditions, while the high-tensile steel spring maintains consistent performance through thousands of rounds. The polymer base plate and flat follower design work together to ensure smooth, reliable feeding. Factory-machined witness windows let you quickly see your round count at a glance.
The 10-round single-stack format represents the practical limit for single-stack 1911 magazines when dealing with tapered cartridges like 9mm. This magazine is compatible with .22 TCM, 9mm Luger, and .38 Super when used in Rock Island full-size 1911 A1 single-stack pistols. It won't fit wide-body double-stack 1911 models or other manufacturers' designs. If you own a Rock Island TCM combo gun or a standard Rock Island 9mm full-size, this is the magazine designed for your pistol from the factory.
This is a Rock Island-specific magazine designed for Rock Island Armory 1911 models only. While it's built to OEM standards, aftermarket and factory magazines can have dimensional differences that affect fitment. Generic magazines historically don't work well in Rock Island TCM pistols, so using Rock Island factory magazines is the safest choice for reliable function.
Yes, this magazine is designed to work with .22 TCM, 9mm, and .38 Super in Rock Island combo pistols. The feed lips are engineered specifically for this multi-caliber compatibility. The angle of the feed lips is critical for proper feeding with .22 TCM rounds, which is why factory magazines work better than generic alternatives in these pistols.
This magazine works for any purpose your pistol is used for—training, competition, or self-defense. The 10-round capacity in a single-stack 1911 magazine puts more stress on the feed lips than standard 7 or 8-round magazines, so handle reloads with the slide forward when possible to minimize wear. The factory OEM construction and high-tensile spring are built to handle serious use.
The magazine is rated for 10 rounds and should load all 10 reliably when new. Over time, fully loaded magazines placed under impact reloads at slide lock can stress the feed lips. To extend magazine life, reload with the slide in battery when possible rather than always at slide lock, and inspect the feed lips periodically for wear.
| UPC | 812285021164 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 38.747 |
| Brand Fit | Rock Island |
| Caliber/Gauge | .22 TCM |
| Capacity | 10 |
| Color | Silver |
| Length | 7.4000 |
| Model | |
| Model Fit | 1911 TMC |
| Package Height | 1.8 |
| Package Width | 5.1 |
| Product Type | Magazine |
| Shipping Weight | 0.23 |
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