The Mightiest 5.5 Inches You'll ever handle - The PDX-SD (5.5" Suppressed 5.56)

Published on April 28, 2024
Duration: 37:39

This video provides an in-depth review of the Maxim Defense PDX-SD, a 5.5-inch suppressed 5.56 NATO PDW. Micah Mayfield, an established subject matter expert, details its technical specifications, internal mechanics, and compares its terminal ballistics to pistol caliber carbines. The review highlights the engineering required for reliable 5.56 cycling in such a short barrel and discusses its suitability for home defense or truck gun roles.

Quick Summary

The Maxim Defense PDX-SD is a compact 5.5-inch suppressed 5.56 NATO PDW, engineered for reliable function with a proprietary short-stroke BCG and buffer system. Despite velocity loss, its 5.56 round offers superior terminal ballistics to 9mm PCCs, and its integrated suppressor is user-serviceable.

Chapters

  1. 00:00Intro & Shooting Montage
  2. 01:05Introduction with Administrative Results
  3. 03:04Technical Specifications
  4. 05:41Accuracy Testing at 100 Yards
  5. 10:06PDW Philosophy & Comparisons
  6. 14:16Suppressor Design & Maintenance
  7. 18:07Internal Mechanics
  8. 20:03Final Verdict & Use Cases

Frequently Asked Questions

What is the Maxim Defense PDX-SD?

The Maxim Defense PDX-SD is a highly compact Personal Defense Weapon (PDW) chambered in 5.56 NATO, featuring a 5.5-inch barrel and an integrated, user-serviceable suppressor, making it exceptionally short and quiet.

How does the 5.56 NATO perform from the PDX-SD's short barrel?

While there is velocity loss compared to longer barrels, 5.56 NATO from the PDX-SD's 5.5-inch barrel still offers superior terminal ballistics and penetration compared to pistol calibers like 9mm, making it a viable defensive round.

What are the key internal components of the PDX-SD?

The PDX-SD utilizes a proprietary short-stroke bolt carrier group and a unique buffer/spring system specifically engineered to ensure reliable cycling of the 5.56 NATO cartridge in its extremely short receiver extension.

Is the suppressor on the PDX-SD user-serviceable?

Yes, the integrated monocore suppressor on the Maxim Defense PDX-SD is designed to be user-serviceable. This allows for straightforward cleaning and maintenance, which is essential for preserving its performance and lifespan.

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