Description
The 1911 is one of the most enduring handgun designs ever made, and Cimarron knows that crowd well. Known almost exclusively for their western reproduction revolvers and lever guns, the A1 1911 marks Cimarron's first step into the world of semi-automatic pistols, and they took it seriously. This is a straight-up military-style Government Model, chambered in .45 ACP with a 5-inch barrel, built on a steel frame and finished in Parkerized matte black. It carries the correct historical markings, a Type 1 smooth mainspring housing, GI-style fixed sights, a serrated slide, and a classic spur hammer. The diamond-checkered walnut grip panels are a nice touch that keep it looking period-correct right out of the box.
The Cimarron A1 1911's Parkerized Finish and What It Means
Parkerizing is a phosphate-based coating with real historical roots. It replaced bluing on U.S. military small arms leading into and through World War II because it's more corrosion-resistant and doesn't reflect light the way a polished blue finish does. On the Cimarron A1, it gives the pistol that flat, utilitarian look you'd expect from a wartime-issue sidearm. It's not as slick as some modern coatings, but it oils up nicely and ages well with regular use.
Colt Parts Compatibility and the Cimarron A1 1911 on the Range
One of the bigger selling points for 1911 enthusiasts is that this pistol is fully Colt parts compliant, which means the enormous aftermarket for 1911 components is wide open. Want to swap grips, install a new trigger, or upgrade the sights down the road? Nothing is proprietary here. Out of the box, the trigger breaks cleanly and the reset is short, which is exactly what you want from a 1911-style action. Feeding has been consistently reliable with 230-grain FMJ ball ammunition, which is the load this design was made for. The 8-round capacity gives you one more round than the original military spec, which is a welcome addition without changing the feel of the pistol at all. The pistol ships with one magazine and carries a lifetime warranty from Cimarron, which is about as confident as a manufacturer can get.
Key Specifications
- UPC: 844234128617
- Manufacturer Part Number: 1911
- Model: A1 1911
- Caliber: .45 ACP
- Action: Semi-Automatic
- Barrel Length: 5"
- Capacity: 8+1 Rounds
- Overall Length: 8.5"
- Weight: 2.47 lbs.
- Frame Material: Steel
- Finish: Parkerized
- Grips: Diamond Checkered Walnut
- Sights: Fixed GI-Style
- Safety: Grip and Thumb
- Mainspring Housing: Type 1 Smooth
- Warranty: Lifetime
What’s Included
- Cimarron A1 1911 pistol
- 1 blued steel 8-round magazine
Frequently Asked Questions
Is the Cimarron A1 1911 truly Colt parts compatible?
Yes, Cimarron explicitly builds this pistol to be Colt parts compliant, which means standard 1911 aftermarket components will fit and function correctly. This is a big deal for anyone who wants to customize down the road, since the 1911 aftermarket is massive. Things like grips, triggers, sights, springs, and most small parts from reputable 1911 vendors will work without gunsmithing tricks.
What type of ammo does the Cimarron A1 1911 feed reliably?
Like most GI-style 1911s with a traditional barrel throat and feed ramp geometry, this pistol is designed around 230-grain FMJ ball ammunition. That's what the design was engineered for, and it runs reliably with that load. Hollow point feeding can be hit or miss with non-ramped GI-spec barrels, so if you're planning on using this for anything beyond range work and collecting, stick with FMJ or test your specific defensive load thoroughly before relying on it.
How does the Parkerized finish hold up over time?
Parkerizing is a phosphate-based military finish that has been used on U.S. service weapons for decades. It's more corrosion-resistant than traditional bluing, though it does benefit from regular light oiling to keep it in good shape. It won't look pretty forever the way a polished blue finish might, but it ages with character and maintains that authentic flat military appearance that makes this pistol look the part.
What makes the Cimarron A1 1911 a good option for collectors?
Cimarron put real effort into the historical details here, including correct period markings, the Type 1 smooth mainspring housing, a spur hammer, and the overall GI Government Model profile. For collectors focused on WWI- and WWII-era military sidearms, this pistol captures the look and feel of an original military 1911 at a fraction of what a genuine GI pistol would cost. The diamond-checkered walnut grips and Parkerized finish add to that authentic presentation.
Does the Cimarron A1 1911 come with more than one magazine?
The pistol ships with one 8-round blued steel magazine. If you're planning to shoot it regularly at the range, picking up a couple of extra standard 1911 magazines is worth doing early on. Since the pistol is fully Colt parts compliant, any quality 1911 single-stack magazine in .45 ACP from reputable brands will work.
Is this a good 1911 for someone new to the platform?
It's a solid way to get into the 1911 platform. The trigger is the classic single-action 1911 pull that the design is famous for, with a clean break and short reset, which many people find more approachable than striker-fired triggers once they understand the grip and thumb safety system. The steel frame soaks up recoil well despite the .45 ACP chambering, and the full 5-inch barrel helps with both control and accuracy. The Colt parts compatibility also means you have plenty of room to customize it as you get more comfortable with the platform.





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