# Maxim Defense PDX .300 Blackout 5.5in FDE

**Brand:** Maxim Defense
**Category:** AR Style Rifles
**Caliber:** .300 AAC Blackout

## Specifications

- **Caliber:** .300 AAC Blackout
- **Barrel Length:** 5.5"
- **UPC:** 680017478223
- **SKU:** UCByGi2MJ

## Description

The Maxim Defense PDX is a semi-automatic AR-pattern pistol chambered in .300 Blackout with a 5.5-inch barrel in a short-barreled configuration; transfer requires additional federal paperwork depending on configuration. It holds 20 rounds and ships with one magazine. The PDX has an anodized flat dark earth finish with an M-Lok compatible handguard and ships with an SCW pistol brace.

### Key Specifications
- **Brand**: Maxim Defense Industries
- **Model**: PDX
- **Caliber**: .300 Blackout
- **Action**: Semi Auto
- **Barrel Length**: 5.5 inches
- **Capacity**: 20 rounds
- **Color/Finish**: Flat Dark Earth (Arid)

### Detailed Features
- SCW (Super Compact Weapon) pistol brace
- M-Lok compatible handguard
- HATEBRAKE muzzle brake
- ALG Combat trigger
- Manual safety

## Frequently Asked Questions

**Q: What caliber is the Maxim Defense PDX?**

A: The Maxim Defense PDX is chambered in .300 Blackout.

**Q: Who makes the PDX?**

A: The PDX is made by Maxim Defense Industries.

**Q: What type of firearm is the Maxim Defense PDX?**

A: The Maxim Defense PDX is a semi-automatic AR-pattern pistol.

**Q: What is the barrel length of the Maxim Defense PDX?**

A: The Maxim Defense PDX has a 5.5-inch barrel.

**Q: How many rounds does the Maxim Defense PDX hold?**

A: The Maxim Defense PDX holds 20 rounds and ships with one magazine.

**Q: What finish does the Maxim Defense PDX come in?**

A: This version of the Maxim Defense PDX has a Flat Dark Earth (Arid) anodized finish.

**Q: Where can I buy the Maxim Defense PDX?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the Maxim PDX gravitate toward it because of its compact form factor in .300 Blackout, which pairs well with suppressor use at short barrel lengths. The HATEBRAKE is a polarizing muzzle device; in a confined space without a suppressor, the blast signature is significant, and that comes up in nearly every owner review.

The ALG Combat trigger is seen as a practical upgrade over mil-spec, and owners generally note it as a positive over similarly priced compact AR pistols. The SCW brace gets praise for the short folded length, though a few owners find the adjustability takes some getting used to compared to a fixed-length buffer stock.

At the PDX's price point, buyers expect a premium fit and finish, and the majority report the anodizing and build quality meet that expectation. The criticism that surfaces most often is limited aftermarket support for Maxim's proprietary SCW buffer system compared to standard AR parts.

## Pricing

**6 offers available**

| Vendor | Price |
|--------|-------|
| Buds Gun Shop | $2061.49 |
| Grabagun Com | $2099.99 |
| Gunbuyer Com | $2171.97 |
| Impactguns Com | $2245.50 |
| Shootingsurplus Com | $2245.50 |
| Guns Com | $2382.99 |

## Similar Products

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- [Maxim Defense PDX .300 AAC Blackout 5.5in Black](https://gunsnation.com/p/maxim-defense-pdx-300-aac-blackout-5-5in-black/UCByGi2Mo)
- [Maxim Defense PDX .300 Blackout 5.5" FDE Tactical Pistol Kit](https://gunsnation.com/p/maxim-defense-pdx-300-blackout-5-5-fde-tactical-pistol-kit/UCByGi2NJ)
- [Maxim Defense PDX Tactical .300 Blackout 5.5" Compact Pistol](https://gunsnation.com/p/maxim-defense-pdx-tactical-300-blackout-5-5-compact-pistol/UCByGiAAM)
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*Data from [GunsNation](https://gunsnation.com)*