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

**Brand:** Rock Island Armory
**Category:** Full Size Handguns
**Caliber:** 10MM AUTO

## Specifications

- **Caliber:** 10MM AUTO
- **Barrel Length:** 5"
- **UPC:** 4806015571803
- **SKU:** UD1MbypYcN

## Description

The Rock Island M1911-A1 GI is a full-size semi-automatic pistol chambered in 10mm with a 5-inch barrel and an 8+1 round capacity. The slide has an optic cut and serrated panels, and the frame is finished in matte black. It ships with black rubber grips.

### Key Specifications
- **Brand**: Rock Island Armory
- **Model**: M1911-A1 GI
- **Caliber**: 10mm
- **Action**: Semi Auto
- **Capacity**: 8+1
- **Barrel Length**: 5 inches
- **Color/Finish**: Matte Black

### Detailed Features
- 5-inch barrel in matte black finish
- Optic cut on the slide for direct optic mounting
- Serrated slide panels for positive grip during manipulation
- Black rubber grips
- M1911-A1 GI pattern frame and controls

## 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: The M1911-A1 GI is made by Rock Island Armory.

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

A: The M1911-A1 GI is a full-size semi-automatic pistol.

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

A: The M1911-A1 GI has a 5-inch barrel in matte black finish.

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

A: The M1911-A1 GI has an 8+1 round capacity.

**Q: Does the M1911-A1 GI have an optic cut?**

A: Yes. The slide has an optic cut for direct optic mounting.

**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 who choose the M1911-A1 GI in 10mm typically want the classic 1911 format in a harder-hitting caliber, and Rock Island delivers a functional package at a price that undercuts most competitors. The optic cut is a welcome addition on what is otherwise a traditional GI-pattern pistol, and most owners report it holds zero reliably.

The 10mm chambering draws the most comment. Recoil is stout compared to a 9mm 1911, and some owners note the standard GI recoil spring requires attention over time with full-power loads. Trigger quality on Rock Island pistols at this price point is generally described as usable but not match-grade; a polished trigger job is a common first upgrade.

Value is the consistent talking point for the M1911-A1 GI. For buyers who want an optic-ready 10mm 1911 without spending on custom shop prices, Rock Island is one of the few options in this segment. The rubber grips are functional, and most owners find the matte black finish durable in regular use.

## Pricing

**1 offers available**

| Vendor | Price |
|--------|-------|
| Guns Com | $484.99 |

## Similar Products

- [Rock Island M1911-A1 GI 10mm 5in Black](https://gunsnation.com/p/rock-island-m1911-a1-gi-10mm-5in-black/UD1MbypXnu)
- [Rock Island 10MM M1911-A1 Black Parkerized Semi-Auto Pistol](https://gunsnation.com/p/rock-island-10mm-m1911-a1-black-parkerized-semi-auto-pistol/UCEIe1CGV)
- [Rock Island 1911-A1 ROCK Stainless 10mm Precision Pistol](https://gunsnation.com/p/rock-island-1911-a1-rock-stainless-10mm-precision-pistol/UD1MbypXnW)
- [Rock Island Armory TAC Ultra FS HC 10mm 5in](https://gunsnation.com/p/rock-island-armory-tac-ultra-fs-hc-10mm-5in/UCExtDKYe)
- [Rock Island Armory M1911-A1 GI .45 ACP Pistol - Classic Defender](https://gunsnation.com/p/rock-island-armory-m1911-a1-gi-45-acp-pistol-classic-defender/UD1MbypWmd)
- [Rock Island Precision M1911-A1 GI 9mm - 5" Barrel, 10+1 Capacity](https://gunsnation.com/p/rock-island-precision-m1911-a1-gi-9mm-5-barrel-10-1-capacity/UD1MbypK8q)

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