The Most Bizarre PCC I've Ever Seen - The "Black Jack"

Published on April 14, 2024
Duration: 21:56

This guide details the modification process for the Showlow Manufacturing Black Jack PCC, focusing on replacing the trigger and bolt to resolve reported reliability and ergonomic issues. It emphasizes safety during the process and the importance of post-modification testing, especially with suppressed fire, as recommended by the instructor.

Quick Summary

The Showlow Manufacturing Black Jack 9mm PCC experienced critical reliability issues, including unintentional full-auto fire, particularly when suppressed. Ergonomic flaws in the original trigger design were also noted. Manufacturer updates included a Hiperfire trigger and a new bolt, but persistent malfunctions led to a final recommendation against purchase at its $1,600 price point.

Chapters

  1. 00:00Introduction to the Black Jack
  2. 00:57Design Overview
  3. 03:34Technical Features: Detent-Delayed Blowback
  4. 06:03Trigger and Ergonomics Critique
  5. 10:25Reliability Issues: Unintentional Full-Auto
  6. 12:50Manufacturer Updates
  7. 14:38Final Testing and Failure
  8. 16:01Final Assessment

Frequently Asked Questions

What are the main issues with the Showlow Manufacturing Black Jack PCC?

The Showlow Manufacturing Black Jack PCC faced significant reliability problems, including unintentional full-auto fire, especially when suppressed. Ergonomic issues with the original trigger design were also noted, making proper finger placement difficult and uncomfortable.

What modifications were made to the Black Jack PCC?

Showlow Manufacturing provided an updated Hiperfire OEM trigger and a new black nitrided bolt to address the reliability and ergonomic concerns. The firearm also uses CZ Scorpion magazines and an AK-style magazine release.

What is a detent-delayed blowback system?

A detent-delayed blowback system uses a spring-loaded detent to hold the bolt carrier group closed longer after firing. This delays unlocking until pressure drops, aiming to reduce felt recoil and improve the shooting experience.

Can the Showlow Black Jack PCC be recommended?

Despite praise for its recoil impulse, the instructor could not recommend the Showlow Manufacturing Black Jack PCC due to persistent reliability and safety failures, even after manufacturer updates, especially considering its $1,600 price point.

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