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The ProMag COL-03 gives you one more round than the traditional 7-round magazines while maintaining a standard profile that fits flush with your 1911 Government model. Built entirely in the USA, this magazine features a heat-treated blued steel body that resists corrosion and wear from regular use.
ProMag engineers the internal components with durability in mind. The magazine uses a precision-wound spring made from heat-treated chrome silicon wire, paired with an injection-molded polymer follower and base plate. These aren't random choices. The polymer components reduce racking wear and contribute to the smooth, snag-free function the magazine is designed to deliver. The blued steel body handles spring tension and the impact of loading and insertion without deforming, which matters when you're running your gun hard at the range or in training.
This magazine works in any full-size Government frame 1911 chambered in .45 ACP, and it'll also function in Commander models since both platforms share the same magazine well. You can load and unload it easily, and the construction lets you take it apart for cleaning if needed. The eight-round capacity fits in a standard profile, so it won't add bulk or break the lines of your pistol the way some extended magazines do.
Owning multiple magazines makes sense whether you're training regularly, competing, or just want spares on hand. The lifetime manufacturer's guarantee means ProMag stands behind the quality. Every magazine undergoes a rigorous assembly process with quality checks at each step to keep the standard consistent from one unit to the next.
Yes. Government-frame single-stack 1911 magazines are designed to be compatible across most brands when they share the same caliber and frame size. So this ProMag will work in Government-sized 1911s from Colt, Springfield, Kimber, and other manufacturers that follow standard mil-spec dimensions. Some magazines fit tighter or looser depending on tolerances, so testing before relying on any magazine for critical use is a smart move.
Yes. Commander and Government magazines are interchangeable since they share the same magazine well. A Government-length magazine will work in a Commander, and the reverse is true as well. You won't lose function, though a longer Government mag might protrude slightly past the grip on a shorter frame depending on the basepad style.
One extra round gives you more capacity without significantly changing the magazine profile or making it feel bulky. The flush-fit design means it doesn't add visible length to your gun. For training and range work, that extra round means fewer magazine changes during a session.
This magazine works for both, though some people prefer factory mags or premium brands for daily carry since feed reliability can vary slightly between magazine makers. For range work, training, and building a spare magazine collection, the ProMag COL-03 offers solid durability at a practical price point, backed by the lifetime warranty.
| UPC | 708279000089 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | COL 03 |
| Brand Fit | Colt |
| Caliber/Gauge | .45 ACP |
| Capacity | 8 |
| Color | Blue |
| Length | 5.25 |
| Model | |
| Model Fit | 1911 Government |
| Package Height | 1.5 |
| Package Width | 3.0 |
| Product Type | Accessory-Magazines |
| Quantity | 1 |
| Shipping Weight | 0.15 |
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