Building an AR pistol that doesn't suck

Published on August 24, 2014
Duration: 19:20

This guide details the construction of a custom AR pistol focused on serious use and reliability, as explained by an experienced firearms instructor. Key components include a 12.5-inch BCM barrel with a carbine-length gas system, Daniel Defense upper and BCG, and a DPMS lower. The build emphasizes proven parts over novel gadgets, achieving impressive accuracy and demonstrating high reliability over thousands of rounds.

Quick Summary

A reliable AR pistol build focuses on trusted components like a 12.5-inch BCM barrel with a carbine-length gas system and a Daniel Defense upper/BCG. This approach prioritizes proven performance over novel gadgets, achieving excellent accuracy and high reliability over thousands of rounds.

Chapters

  1. 01:47Introduction to the AR Pistol Build
  2. 03:14Barrel and Gas System Selection
  3. 05:07Direct Impingement vs. Piston
  4. 06:24Handguards and Upper Components
  5. 09:09Lower Receiver and Accuracy
  6. 10:45Pistol Brace and Buffer Setup
  7. 12:14Ambidextrous Controls
  8. 13:52Optics and Accessories
  9. 16:40Reliability and Cost Summary

Frequently Asked Questions

What barrel length is recommended for a reliable AR pistol build?

A 12.5-inch barrel is recommended for an AR pistol build to maintain optimal muzzle velocity and lethality compared to shorter barrels, while still offering a manageable size for various applications.

Why is Direct Impingement (DI) preferred over a piston system for AR pistols?

Direct Impingement is often preferred for AR pistols due to better parts availability, a proven history of reliability, and less heat buildup at the front of the handguard during high-volume firing, which is crucial for a compact firearm.

What are the key components for a reliable AR pistol build?

Key components for a reliable AR pistol include a quality barrel (e.g., 12.5-inch BCM), a proven upper receiver and BCG (e.g., Daniel Defense), an in-spec lower receiver (e.g., DPMS), and a robust pistol brace and buffer system (e.g., KAK Industries).

How reliable is a well-built AR pistol?

A well-built AR pistol, like the one demonstrated, can achieve exceptional reliability. This build fired 4,000 rounds with only one magazine-related malfunction, showcasing the effectiveness of carefully selected components.

More Reviews Videos You Might Like

More from Regular Guy Training LLC

View all →