Choosing a PCC - Mag Pros and Cons | Palmetto State Armory

Published on October 17, 2025
Duration: 1:28

This video from Palmetto State Armory discusses the magazine compatibility and features of different 9mm Pistol Caliber Carbines (PCCs). It highlights Glock-style magazines, Scorpion-style magazines, and Colt-style (modified Uzi) magazines, detailing their pros and cons, including last-round bolt hold-open functionality and ease of loading.

Quick Summary

When choosing a 9mm PCC, consider magazine type: Glock-style offers broad compatibility but lacks last-round bolt hold-open. Scorpion-style and Colt-style (modified Uzi) magazines provide this crucial feature, with Scorpion mags loading like ARs and Colt mags being all-metal.

Chapters

  1. 00:05Glock Style PCC Magazines
  2. 00:31Scorpion Style PCC Magazines
  3. 00:55Colt Style PCC Magazines
  4. 01:22Choosing Your PCC Magazine

Frequently Asked Questions

What are the main types of magazines discussed for 9mm PCCs?

The video discusses three main types of magazines for 9mm PCCs: Glock-style, Scorpion-style, and Colt-style (modified Uzi). Each offers different features regarding compatibility, capacity, and functionality like last-round bolt hold-open.

What is a key disadvantage of Glock-style magazines in PCCs?

The primary disadvantage of PCCs that use Glock-style magazines is the lack of a last-round bolt hold-open feature. This means the bolt will not lock to the rear on an empty magazine, unlike some other PCC magazine systems.

How do Scorpion-style magazines differ from Glock-style for PCCs?

Scorpion-style magazines offer a last-round bolt hold-open feature, which Glock-style magazines typically lack. Additionally, Scorpion mags are double-stack, double-feed and load similarly to AR-15 magazines, making them easy to handle.

What are the benefits of Colt-style (modified Uzi) magazines for PCCs?

Colt-style magazines are full metal, available in 20 and 30-round capacities, and feature a double-stack, double-feed design. They also provide a reliable last-round bolt hold-open, making them a robust option for PCCs.

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