MP5 vs. The Worst PCC Ever Made (Not a Gun Review)

Published on March 7, 2025
Duration: 21:21

This comparison evaluates three distinct Pistol Caliber Carbines: the iconic HK MP5, the Christensen Arms CA9, and the Sig MPX Gen 2. While the MP5 excels in 'vibe' and recoil management due to its roller-delayed blowback system, the Sig MPX offers superior lethality and accuracy. The Christensen CA9, with its direct blowback and original carbon fiber barrel issue, is ranked lowest.

Quick Summary

The HK MP5 excels in 'vibe' and recoil management with its roller-delayed blowback system, while the Sig MPX Gen 2 is considered the most lethal and accurate PCC at 100 yards due to its gas piston operation. The Christensen Arms CA9, with direct blowback, ranked lowest.

Chapters

  1. 00:00Intro: MP5 vs. Worst PCC?
  2. 00:38HK MP5 Overview & Vibe
  3. 01:12Christensen Arms CA9 Issues
  4. 02:02Sig MPX Gen 2 Build
  5. 03:14Suppressor & Ammo Test
  6. 04:13Shooting Drills & Performance
  7. 08:09Final PCC Assessment

Frequently Asked Questions

What are the key differences between the HK MP5, Sig MPX, and Christensen Arms CA9 PCCs?

The HK MP5 uses a roller-delayed blowback system, known for its smooth recoil and iconic status. The Sig MPX employs a gas piston system, offering good accuracy and lethality. The Christensen Arms CA9 features a direct blowback system and had durability issues with its original carbon fiber barrel.

Which PCC performed best in terms of recoil and shooting experience?

The HK MP5 was praised for its superior 'vibe' and significantly lower recoil, attributed to its roller-delayed blowback system, making it the most comfortable to shoot despite its age.

How did the tested PCCs compare in terms of accuracy and lethality?

The Sig MPX Gen 2 was identified as the most lethal and accurate PCC at 100 yards among the three tested. While the MP5 is iconic, the MPX demonstrated superior performance in these critical metrics.

What issues were noted with the Christensen Arms CA9?

The Christensen Arms CA9 was described as 'chunky' to shoot due to its direct blowback system. A significant issue encountered was the snapping of the original carbon fiber barrel while attempting to remove a muzzle device.

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