Making a 0% AR 15 from Raw Aluminum in Just 5 HOURS

Published on November 15, 2022
Duration: 28:33

This video details the process of milling a 0% AR-15 lower receiver from raw aluminum using a Ghost Gunner 3 CNC machine in approximately 5 hours. It highlights the unique 3-piece design required for the small CNC, specialized hardware like KNS Precision pins, and the potential fragility of a 3D-printed bolt catch insert. Despite these challenges, the build proved reliable during range testing with over 500 rounds.

Quick Summary

Milling a 0% AR-15 lower receiver from raw aluminum with a Ghost Gunner 3 CNC takes about 5-6 hours. This unique 3-piece design requires specialized hardware like KNS Precision takedown pins. The completed build proved reliable, handling over 500 rounds without malfunctions.

Chapters

  1. 00:00Intro: 0% AR-15 Build Project
  2. 00:52Ghost Gunner 3 (GG3) CNC Overview
  3. 02:04Milling Process & Troubleshooting Tips
  4. 06:190% Lower Design & Assembly Explained
  5. 07:39Specialized Hardware: KNS Pins & Bolt Catch
  6. 09:49Build Components & Range Testing
  7. 15:06Final Assessment: Pros & Cons

Frequently Asked Questions

How long does it take to mill a 0% AR-15 lower receiver with a Ghost Gunner 3?

Milling a 0% AR-15 lower receiver from a raw aluminum block using the Ghost Gunner 3 (GG3) CNC machine takes approximately 5 to 6 hours to complete the machining process.

What makes the 0% AR-15 lower receiver design unique?

The 0% lower receiver is a unique three-piece design, consisting of upper, lower, and buffer tube housing sections bolted together. This allows it to be milled from a standard aluminum block on smaller desktop CNC machines like the GG3.

What specialized hardware is needed for a 0% AR-15 build milled on a GG3?

Specialized hardware includes KNS Precision takedown pins, as standard detent channels are not milled. A 3D-printed insert is also used for the bolt catch spring and detent, though this is noted as a potential failure point.

How reliable is an AR-15 built from a 0% lower milled on a GG3?

The build demonstrated reliability during range testing, successfully firing over 500 rounds of 5.56mm/.223 ammunition with zero malfunctions across various magazine types.

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