# Geissele GDP Pistol 5.56 NATO 8in Black

**Brand:** Geissele
**Category:** AR Style Rifles
**Caliber:** 5.56 NATO

## Specifications

- **Caliber:** 5.56 NATO
- **Barrel Length:** 8"
- **UPC:** 810081135597
- **SKU:** UCEGErt9h

## Description

The Geissele GDP (Defense Pistol) is a semi-automatic AR-pattern pistol chambered in 5.56 NATO with an 8-inch barrel. The 8-inch short-barreled configuration places this in a restricted transfer category; additional federal paperwork is required. It holds 10+1 rounds and has a black finish throughout.

### Key Specifications
- **Brand**: Geissele
- **Model**: GDP (Defense Pistol)
- **Caliber**: 5.56 NATO
- **Action**: Semi Auto
- **Capacity**: 10+1
- **Barrel Length**: 8 inches
- **Color/Finish**: Black

### Detailed Features
- 8-inch barrel in an AR-pattern pistol configuration; transfer requires additional federal paperwork
- 10+1 round capacity
- Semi-automatic action
- Black finish throughout
- Geissele Defense Pistol (GDP) platform

## Frequently Asked Questions

**Q: What caliber is the GDP?**

A: The GDP is chambered in 5.56 NATO.

**Q: Who makes the GDP?**

A: The GDP is made by Geissele.

**Q: What type of firearm is the GDP?**

A: The GDP (Defense Pistol) is a semi-automatic AR-pattern pistol with an 8-inch barrel and a black finish.

**Q: What is the barrel length of the GDP?**

A: The GDP has an 8-inch barrel.

**Q: How many rounds does the GDP hold?**

A: It has a capacity of 10+1 rounds.

**Q: Where can I buy the GDP?**

A: Compare current vendor offers on this page.

## What Reviewers Say

*Quoted verbatim from YouTube reviews. Each link opens the video at the moment quoted.*

> Triggers as crisp as you would imagine it being. Geissele.
>
> — [Steve_MP5](https://www.youtube.com/watch?v=b2797Dez3OA&t=246s)

> This is super comfortable. I like their grip. It's a small grip. It's more compact, especially if you're looking for that compact sort of bag truck gun setup.
>
> — [Steve_MP5](https://www.youtube.com/watch?v=b2797Dez3OA&t=89s)

> It's because I'm really having a tough time deciding which can to put on here.
>
> — [Steve_MP5](https://www.youtube.com/watch?v=b2797Dez3OA&t=135s)

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the Geissele GDP tend to have a clear sense of what they bought: a compact AR-pattern pistol built to Geissele's known quality standard. The 8-inch barrel in 5.56 NATO is a deliberate trade between velocity and size, and most buyers understood that going in.

Build quality draws consistent praise. Geissele's fit and finish reputation carries over to the GDP, and owners note that tolerances feel tight. The trigger, as with most Geissele products, is a frequent highlight.

The 10+1 capacity and the regulatory transfer process are the predictable friction points. Some owners find the paperwork and wait acceptable given the platform; others suggest that buyers who want a higher-capacity option look at the full standard AR-pattern lineup instead. The GDP is a purpose-specific build and the reviews reflect that.

## Pricing

**2 offers available**

| Vendor | Price |
|--------|-------|
| Classicfirearms Com | $2596.30 |
| Primaryarms Com | $2900.00 |

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