The Original AR-15: Serial Number 6 in Original Configuration

Published on November 1, 2025
Duration: 1:01

This video examines AR-15 serial number 000006, a rare example of an original configuration prototype. Key features include a 25-round straight magazine, a top-mounted charging handle with a protective guard, and a thin pencil barrel profile. The stock is made of woven fiberglass, and the muzzle is plain, reflecting early design considerations before the widespread need for muzzle devices.

Quick Summary

AR-15 serial number 000006 is a rare original prototype, possibly the only one left in its as-manufactured condition. It features a 25-round straight magazine, a top charging handle with a protective guard, a thin pencil barrel, and a woven fiberglass stock.

Chapters

  1. 00:00Introduction to AR-15 Serial Number 6
  2. 00:22Weight and 25-Round Straight Magazine
  3. 00:29Top Charging Handle and Guard
  4. 00:37Fire Selector and Materials
  5. 00:51Barrel Profile and Plain Muzzle

Frequently Asked Questions

What makes AR-15 serial number 6 historically significant?

AR-15 serial number 000006 is significant because it's likely the only surviving rifle from the original Armalite production batch still in its original, as-manufactured condition, providing crucial insights into the AR-15's early design.

What are the unique features of the AR-15 serial number 6 prototype?

This prototype features a 25-round straight magazine, a top-mounted charging handle with a protective guard, a thin pencil barrel profile, a plain muzzle, and a stock made of woven fiberglass.

What was the purpose of the structure above the charging handle on the AR-15 prototype?

The structure above the top-mounted charging handle on the AR-15 serial number 6 prototype was designed as a guard to protect the charging handle mechanism, not as a carry handle.

What materials were used in the early AR-15 prototype's construction?

The AR-15 serial number 6 prototype utilized a woven fiberglass material for its stock and a single-piece design for the front handguard, reflecting early material choices in its development.

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