Watch This...Full 9mm PCC Upper Build! ๐Ÿ‘€ #ar15 #GLOCK #9MM

Published on August 19, 2023
Duration: 0:42

This guide details the straightforward process of building a 9mm Pistol Caliber Carbine (PCC) AR upper receiver, as demonstrated by AT3 Tactical. It covers essential components, preparation, and step-by-step installation of the barrel, handguard, muzzle device, bolt carrier group, and charging handle. The build highlights the ease of assembly for PCC uppers, noting the absence of a gas block and tube.

Quick Summary

Building a 9mm PCC AR upper receiver is straightforward, requiring a stripped upper, 9mm barrel, BCG, charging handle, handguard, and muzzle device. Tools like a vise block and armorer's wrench are essential. Preparation includes deburring and applying anti-seize to threads for proper barrel nut installation.

Chapters

  1. 00:00Intro & PCC Upper Build
  2. 00:10Essential Build Components
  3. 00:27AT3 Tactical Parts & Tools
  4. 00:54Upper Receiver Preparation
  5. 01:21Barrel Installation Steps
  6. 02:08Handguard Attachment
  7. 02:37Muzzle Device Installation
  8. 03:00BCG & Charging Handle Insertion
  9. 03:13Final Assembly & Compatibility
  10. 03:30Conclusion & Call to Action

Frequently Asked Questions

What are the essential components for building a 9mm PCC AR upper receiver?

You'll need a stripped upper receiver, a 9mm barrel, a 9mm bolt carrier group (BCG), a charging handle, a handguard, and a muzzle device. Notably, PCC uppers do not require a gas block or gas tube.

What tools are necessary for assembling a 9mm PCC AR upper?

Key tools for this build include a vise block to secure the upper receiver, an armorer's wrench for the barrel nut and muzzle device, and anti-seize compound for thread lubrication.

How do you prepare the upper receiver for barrel installation?

Before installing the barrel, it's recommended to deburr and clean the stripped upper receiver. Crucially, apply anti-seize compound to the threads where the barrel nut will be installed to prevent galling.

What is the compatibility of a 9mm PCC upper receiver?

A completed 9mm PCC upper receiver is designed to be compatible with standard AR-15 lower receivers. This often involves using a Glock magazine adapter or a dedicated Glock lower receiver for magazine feeding.

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