# Rock Island M1911 GI Standard MS .45 ACP Handgun

**Brand:** Rock Island Armory
**Category:** Full Size Handguns
**Caliber:** .45 ACP

## Specifications

- **Caliber:** .45 ACP
- **Barrel Length:** 4.25"
- **Capacity:** 8 rounds
- **Finish:** Black Parkerized
- **Weight:** 43.6 oz
- **Overall Length:** 8.75"
- **UPC:** 4806015515050
- **SKU:** UD1MbypJr0

## Description

The Rock Island Armory M1911 GI Standard MS is a single-action semi-automatic pistol chambered in .45 ACP. It has a 4.25-inch barrel, 8+1 capacity, and weighs 39.25 oz (2.45 lbs). The frame and barrel are steel with a black parkerized finish. Wood grips and a beavertail safety are standard. Overall length is 8.54 inches.

### Key Specifications
- **Brand:** Rock Island Armory
- **Model:** M1911 GI Standard MS
- **Caliber:** .45 ACP
- **Capacity:** 8 + 1 rounds
- **Barrel Length:** 4.25 inches
- **Weight:** 39.25 oz (2.45 lbs)
- **Finish:** Black Parkerized
- **Frame Material:** Steel
- **Action Type:** Single Action Only (SAO)
- **Overall Length (OAL):** 8.54 inches
- **Grip Material:** Wood
- **Safety Type:** Beavertail safety

### Detailed Features
The full-frame steel construction gives the pistol a stable shooting platform and helps manage .45 ACP recoil. Fixed sights keep target acquisition straightforward for quick engagements. The beavertail safety provides extra protection against accidental discharge under a firm grip, and the wood grips are comfortable during extended range sessions.

The .45 ACP chambering is proven for self-defense, hard-hitting with a long track record. Eight rounds in the magazine plus one in the chamber is enough for most defensive scenarios while keeping reloads practical.

### Usage Scenarios
The parkerized finish and all-steel construction hold up well in demanding conditions, making this a sensible carry or range gun. It's a natural fit for competitive shooters who want to shoot on a 1911 platform without heavy investment. New shooters learning semi-auto pistols will find the recoil manageable and the manual of arms (thumb safety, grip safety, single-action trigger) worth learning properly.

## Frequently Asked Questions

**Q: What caliber is the Rock Island Armory M1911 GI Standard MS?**

A: The M1911 GI Standard MS is chambered in .45 ACP.

**Q: Who makes the M1911 GI Standard MS?**

A: It is made by Rock Island Armory.

**Q: What type of firearm is the Rock Island Armory M1911 GI Standard MS?**

A: It is a single-action semi-automatic pistol with an all-steel frame.

**Q: What is the barrel length of the Rock Island Armory M1911 GI Standard MS?**

A: The barrel is 4.25 inches long.

**Q: How many rounds does the Rock Island Armory M1911 GI Standard MS hold?**

A: It has an 8+1 capacity.

**Q: What finish does the Rock Island Armory M1911 GI Standard MS have?**

A: It has a black parkerized finish on the steel frame and barrel.

**Q: What grips does the Rock Island Armory M1911 GI Standard MS come with?**

A: It comes with wood grips and includes a beavertail safety.

**Q: Where can I buy the Rock Island Armory M1911 GI Standard MS?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

The Rock Island M1911 GI Standard MS is consistently cited as one of the best entry points into the 1911 platform. The price is a major draw, and most owners feel the quality holds up well for what they paid.

Reliability comes up repeatedly in a positive way. Many owners report it runs without issues across multiple ammunition types, making it a workable choice for both range and carry. The classic 1911 aesthetics and historical appeal pull in a collector/enthusiast crowd as well.

The usual criticisms are the same ones any steel-frame 1911 gets: it's heavier than a modern polymer pistol, which matters for all-day carry. Some users find the trigger needs a break-in or light polishing to feel right out of the box. A few have reported finish wear or rust concerns if maintenance is inconsistent. The manual safety and single-action operation require more practice than a striker-fired gun, which is a real consideration for new shooters. Overall it's a solid gun for the price, with well-understood trade-offs.

## Pricing

**1 offers available**

| Vendor | Price |
|--------|-------|
| Gunbuyer Com | $373.75 |

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*Data from [GunsNation](https://gunsnation.com)*