Description
There is something satisfying about a GI-pattern 1911 that skips the frills and just gets to work, and the Rock Island Armory M1911-A2 FSP does exactly that with one big twist. Instead of the traditional single stack frame, this one is built as a wide-body, feeding from double stack Para-style magazines. That means you get 10+1 rounds of .45 ACP on tap without giving up the all-steel heft and single action trigger that made the platform famous in the first place.
Inside the M1911-A2 FSP
Armscor builds these on ordnance-grade 4140 chromoly steel, and the black parkerized finish keeps the whole gun non-reflective and easy to live with. It shrugs off holster wear and range grime better than a polished blue job, and touch-ups are simple. You get GI-style hammer and trigger, a Series 70 type firing system, fixed low-profile sights that will not snag, and checkered polymer grips that fill the hand nicely on the wider frame. The 5 inch barrel and full-size slide give the gun the balance and sight radius that make a Government-length 1911 so easy to shoot well, and the extra weight of the steel frame soaks up .45 ACP recoil noticeably.
A Rock Island 1911 Trigger Out of the Box
Rock Island ships these with a factory trigger in the 4 to 6 pound range, and it breaks the way a single action 1911 should: short, clean, and predictable. Pair that with the double stack capacity and this is a fun range gun that does not need a trip to the gunsmith before it earns its keep.
Who the M1911-A2 Wide Body Makes Sense For
If you have always liked the 1911 but wished it held a few more rounds, this is the straightforward answer. It works as a range regular, a nightstand gun, or a first step into the 1911 world without a boutique price tag. Armscor backs it with a limited lifetime warranty, and the parts commonality with the GI pattern makes it easy to maintain for years.
Key Specifications
- Manufacturer: Armscor / Rock Island Armory
- Model: M1911-A2 FSP GI Standard FS HC
- Manufacturer Part Number: 51453
- UPC: 4806015514534
- Caliber: .45 ACP
- Action: Single Action Semi-Auto
- Capacity: 10+1
- Barrel Length: 5 inches
- Overall Length: 8.5 inches
- Frame: Wide-body 4140 chromoly steel
- Finish: Black Parkerized
- Sights: Fixed, low profile
- Firing System: Series 70 type
- Trigger: GI style, 4-6 lb factory pull
- Grips: Checkered black polymer
- Magazines Included: One 10-round double stack
What’s Included
- Rock Island Armory M1911-A2 FSP pistol
- One 10-round double stack magazine
- Owner's manual
Frequently Asked Questions
Does the Rock Island M1911-A2 FSP use standard 1911 magazines?
No. This is a wide-body 1911, so it feeds from double stack Para-style magazines rather than the single stack mags a traditional 1911 uses. The upside is more capacity in the same footprint. Spare mags are available, just make sure you are buying double stack Para-pattern magazines in .45 ACP.
How is the trigger on the M1911-A2 out of the box?
Rock Island ships these with a factory single action trigger in the 4 to 6 pound range, and it breaks clean like a proper 1911 should. Most owners find it plenty good for range work and defensive use without any gunsmithing. It uses a Series 70 type firing system, which many 1911 fans prefer for its simpler internals and crisper feel.
Is the parkerized finish durable enough for regular use?
Yes, parkerizing is the same style of finish the military used on GI 1911s for decades because it holds up to holster wear and handling. It gives the gun a smooth, non-reflective surface and does a solid job resisting corrosion as long as you keep a light coat of oil on it. It is also easy to touch up down the road if needed.
Is the Rock Island M1911-A2 FSP a good first 1911?
It is a strong pick for a first 1911, especially if you want more than the traditional 7 or 8 rounds. You get all-steel construction, classic GI controls, and a usable factory trigger, plus Armscor backs it with a limited lifetime warranty. The full-size weight also tames .45 ACP recoil, which makes it a pleasant gun to learn on.





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