The Colt 4-Way Enhanced Rifle

Published on March 1, 2026
Duration: 9:02

This video provides an expert-level overview of the Colt 4-Way Enhanced Rifle system, tracing its origins to the 1960s and detailing its unique fire control group. The discussion covers the burst mechanism, specific rifle models that utilized the system, and the practical challenges and issues encountered, particularly with the Greek Army contract. The expert highlights why the system, despite its innovative concept, ultimately faced limited adoption.

Quick Summary

The Colt 4-Way Enhanced Rifle system, originating in the mid-1960s, featured a unique fire control group allowing Safe, Semi, Auto, and Burst modes. Burst shot count was determined by interchangeable cams (2, 3, or 6 shots). Despite its innovation, practical issues like non-drop-in installation, inconsistent trigger pull, and safety concerns limited its widespread adoption, with the Greek Army being its primary, albeit problematic, customer.

Chapters

  1. 00:09Colt Enhanced Series Introduction
  2. 00:26Four-Way Fire Control Group Explained
  3. 00:46Burst Mechanism and Shot Count
  4. 01:07Burst Cam Selection Options
  5. 01:36Rifles Utilizing the System
  6. 02:121998 Four-Way Fire Control Patent
  7. 02:54Enhanced Disconnectors and Receiver Design
  8. 03:21Rifle and Carbine Configurations
  9. 03:43Other Colt 4-Way Models
  10. 04:02Greek Army Trigger Issues and Fix
  11. 04:45Program Cancellation and Collector Status
  12. 05:17Later Greek Army Interest
  13. 06:16Practical Limitations of the Concept
  14. 06:50Inconsistent Trigger Pull Issues
  15. 07:46Summary of Colt Four-Way System

Frequently Asked Questions

What is the Colt 4-Way Enhanced Rifle system?

The Colt 4-Way Enhanced Rifle system refers to a specific fire control group developed by Colt, dating back to the mid-1960s. It allowed for four firing modes: Safe, Semi-automatic, Automatic, and a selectable Burst fire mode, distinguishing it from standard M4 Enhanced models.

How did the burst mechanism work on the Colt 4-Way system?

The burst shot count was controlled by a 'burst cam'. Early Colt 4-Way designs offered interchangeable cams for 2, 3, or 6-shot bursts. Later iterations, like those on the M16A2 and M4, typically used a 3-shot burst cam.

What were the main practical issues with the Colt 4-Way system?

Key issues included a non-drop-in installation requiring receiver modifications, inconsistent trigger pulls that affected accuracy, and a critical safety flaw where the selector could be rotated with the hammer forward, leading to unintended discharge. The Greek Army contract highlighted these problems.

Was the Colt 4-Way system ever widely adopted?

No, the Colt 4-Way system saw limited adoption. The Greek Army was the only major contract, and they encountered significant issues. Practical implementation challenges and the availability of skilled shooters achieving controlled bursts via trigger control limited its widespread use.

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