# Rock Island M1911-A1 GI 10mm 5in Black

**Brand:** Rock Island Armory
**Category:** Semi-Automatic Handguns
**Caliber:** 10MM AUTO

## Specifications

- **Caliber:** 10MM AUTO
- **Barrel Length:** 5"
- **UPC:** 4806015568674
- **SKU:** UD1MbypXnu

## Description

The Rock Island M1911-A1 GI is a full-size 1911-pattern semi-automatic pistol chambered in 10mm with a 5-inch barrel. It has an optic cut and serrated slide, black rubber grips, and a capacity of 8 rounds.

### Key Specifications
- **Brand**: Rock Island
- **Model**: M1911-A1 GI
- **Caliber**: 10mm
- **Action**: Semi Auto
- **Capacity**: 8 rounds
- **Barrel Length**: 5 inches
- **Color/Finish**: Black

### Detailed Features
- Full-size 1911 frame with 5-inch barrel
- Optic cut on the serrated slide
- Black rubber grips
- 8-round capacity

## Frequently Asked Questions

**Q: What caliber is the M1911-A1 GI?**

A: The M1911-A1 GI is chambered in 10mm.

**Q: Who makes the M1911-A1 GI?**

A: It is made by Rock Island Armory.

**Q: What is the barrel length of the M1911-A1 GI?**

A: The M1911-A1 GI has a 5-inch barrel.

**Q: How many rounds does the M1911-A1 GI hold?**

A: It has a capacity of 8 rounds.

**Q: What type of firearm is the M1911-A1 GI?**

A: It is a full-size 1911-pattern semi-automatic pistol.

**Q: Is the M1911-A1 GI optic-ready?**

A: Yes, the slide has an optic cut.

**Q: Where can I buy the M1911-A1 GI?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the Rock Island M1911-A1 GI in 10mm tend to lead with value: they get a full-size 1911 in a hard-hitting chambering at a price well below comparable domestic 1911s. The build quality is generally described as functional rather than refined, with some minor fit-and-finish variations noted out of the box.

The 10mm chambering draws enthusiasts who want the platform for hunting backup or bear country carry, and the 5-inch barrel suits that role well. The optic cut is a welcome addition at this price point. Shooters planning to suppress note the serrated slide makes indexing straightforward, though the pistol is not threaded from the factory.

The 8-round single-stack capacity is a known limitation compared to double-stack 10mm options on the market. Trigger feel splits opinion: some run it as-is without complaint, while others budget for a trigger job. Black rubber grips are comfortable but purely functional, and many owners swap them for aftermarket options.

## Pricing

**2 offers available**

| Vendor | Price |
|--------|-------|
| Primaryarms Com | $429.99 |
| Guns Com | $599.99 |

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