Rock Island RIA 1911 GI Standard .45 ACP 5in

$632.52

Get the classic M1911 GI Standard in .45 ACP with a 5-inch barrel, steel frame, and fixed sights—reliable, affordable, and ready for home defense or range use. Rock Island Armory delivers proven performance at a price that leaves you money for ammo.

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SKU: LIP|RI51433 Category: Product ID: 34757

Description

The Rock Island RIA 1911 GI Standard .45 ACP 5in is a full-size, single-action semi-auto that delivers the classic M1911 silhouette and proven .45 ACP stopping power—built for the shooter who demands reliability without the custom-gun price tag. With a 5-inch barrel, fixed low-profile sights, and smooth wood grips, this steel-frame pistol handles range sessions and home-defense drills with the same no-nonsense attitude you expect from a GI-spec 1911. It’s ready to run right out of the box, chambered in .45 Auto ACP, and backed by Rock Island Armory’s reputation for solid, budget-friendly firearms.

Manufacturer Rock Island Armory
Model RIA 1911 GI Standard FS
Material Steel frame and slide (per manufacturer specs)
Compatibility Standard 1911 magazines, .45 ACP ammunition
Finish Blued carbon steel
Weight 39 oz (empty, per manufacturer specs)
Condition New

Key Features

  • Full-Size Steel Frame & Slide – Why it matters: The all-steel construction tames .45 ACP recoil and gives you a rock-solid platform for fast follow-up shots, whether you’re on the range or in a defensive scenario.
  • 5-Inch Barrel in .45 ACP – Why it matters: That extra inch of barrel length maximizes velocity and accuracy over shorter carry pistols, delivering the full energy potential of the .45 Auto cartridge.
  • Fixed Low-Profile Sights – Why it matters: No snagging on holsters or clothing during a draw—these sights stay out of the way while giving you a clear, repeatable sight picture for center-mass hits.
  • Smooth Wood Grips & Beavertail Frame – Why it matters: The wood grips offer a classic look with solid traction, and the beavertail prevents hammer bite, letting you shoot longer without discomfort.
  • Traditional M1911 GI-Spec Design – Why it matters: You get the same manual of arms as the original service pistol—cocked and locked, thumb safety, and a crisp single-action trigger that’s been trusted for over a century.

Who It’s For

This 1911 is built for the urban CCW holder who appreciates the classic .45 ACP platform but doesn’t want to drop a grand on a custom build. It’s also a solid choice for apartment dwellers who want a full-size home-defense pistol that’s easy to shoot accurately under stress. If you’re a collector or a shooter looking for a no-frills range gun that runs reliably, the RIA 1911 GI Standard fits the bill without breaking the bank.

Pros / Cons

  • Pros: Affordable price point for a steel 1911, reliable GI-spec internals, classic looks, and easy to maintain.
  • Cons: Fixed sights are not adjustable, and the trigger might feel heavier than aftermarket competition triggers—expect a 5-6 lb pull from the factory.
Feature Rock Island RIA 1911 GI Standard .45 ACP 5in Zev Technologies OZ9C Geissele Automatics 1911
Caliber .45 ACP 9mm .45 ACP
Barrel Length 5 inches 4.5 inches 5 inches
Frame Material Steel Polymer Steel
Action Single-action semi-auto Striker-fired Single-action semi-auto
Price $564.75 $1,200+ $2,500+
Best For Budget-friendly 1911, home defense, range Competition, custom builds Premium collectors, competition

FAQ

Is the Rock Island RIA 1911 GI Standard reliable for self-defense?

Yes, this pistol is built on proven GI-spec internals that have been used in military and law enforcement for generations. With proper break-in and quality .45 ACP ammo, it feeds and fires consistently. Per Rock Island Armory specs, the steel frame and slide are designed for long-term durability.

Does this 1911 come with a manual safety?

Yes, it features the traditional M1911 thumb safety and grip safety. The thumb safety engages when the hammer is cocked, allowing for cocked-and-locked carry—a standard configuration for 1911 pistols.

What magazines does the RIA 1911 GI Standard use?

It accepts standard 1911-style .45 ACP magazines. It ships with one 7-round magazine, but you can use any quality aftermarket 1911 mags from brands like Wilson Combat or Chip McCormick.

Can I mount a red dot or suppressor on this pistol?

No, this model has fixed low-profile sights and a standard barrel without suppressor threads. It is designed for iron-sight shooting and traditional 1911 use. If you need optics or a suppressor, look at Rock Island’s Tactical or FS models.

Trust & Safety

  • ✔ Nationwide delivery to all 50 states
  • ✔ Ships within 1-2 business days
  • ✔ 30-day return policy
  • ✔ Secure checkout with encrypted payment

Last updated: April 2026

Browse more: Semi Auto Handguns | 1911 Pistols | .45 ACP Handguns

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