70 years and little has changed: FAL vs SCAR

Published on October 14, 2023
Duration: 15:42

This video compares the FN FAL, designed in the late 1940s and entering production in 1953, with the FN SCAR, highlighting the evolution of small arms design over approximately 70 years. While the SCAR represents an evolutionary step with advancements in materials like polymers and aluminum receivers for lighter weight and cost-effective manufacturing, the core operating mechanisms, such as the short-stroke gas piston and the concept of cased cartridges, remain fundamentally similar. The video suggests that significant innovation in small arms technology has plateaued since World War II, with modern designs often being repackaged older concepts.

Quick Summary

The FN FAL (1950s) and FN SCAR (modern) share similarities in their short-stroke gas piston operating systems. While the SCAR incorporates lighter materials like polymers and aluminum receivers, and uses an AR-15 style rotating bolt, the fundamental principles of firearm operation and cartridge technology have seen less dramatic evolution over the past 70 years, with modern designs often being repackaged older concepts.

Chapters

  1. 00:10Introduction: Small Arms Design Evolution
  2. 00:18The FN FAL: 'Right Arm of the Free World'
  3. 00:32The FN SCAR: A Modern Counterpart
  4. 01:08Comparing FAL and SCAR: What Has Changed?
  5. 02:04FN FAL Design and Features
  6. 02:29FAL Operating Mechanism: Short Stroke Piston
  7. 03:18FAL Locking System Explained
  8. 03:53FAL Gas System and Adjustability
  9. 04:17FAL Cold War Era Configuration (Bipod, Optic)
  10. 04:44Cartridge Evolution: 7.62x51mm NATO
  11. 05:20Transition to the FN SCAR
  12. 06:00SCAR as an Evolutionary Step
  13. 06:09SCAR Stock and Ergonomics
  14. 06:43Impact of Polymers in Modern Firearm Design
  15. 07:33SCAR Action and Magazine Design
  16. 08:20SCAR Gas System and Piston
  17. 08:48Disassembling the SCAR
  18. 09:37SCAR Bolt and Carrier vs. FAL
  19. 09:49SCAR Rotating Bolt System
  20. 10:19SCAR Gas Piston Impact Point
  21. 10:29Core Operating Mechanisms: Unchanged?
  22. 10:55Construction Methods: The Real Change
  23. 11:43Aluminum Receivers vs. Steel
  24. 11:57Simplicity of Manufacturing in Wartime
  25. 12:19SCAR Design Improvements: Construction
  26. 12:44Repackaging Existing Systems
  27. 12:52The Plateau of Gunpowder Technology
  28. 13:10Future of Warfare: AI, Drones, Energy Weapons
  29. 13:35Historical Perspective: Cap and Ball Revolvers
  30. 14:15The Future of Firearms Technology
  31. 14:30Conclusion: Enjoying Current Technology

Frequently Asked Questions

What are the key differences between the FN FAL and the FN SCAR?

The FN FAL, a 1950s rifle, is primarily steel and features a unique bolt locking system. The FN SCAR, a modern rifle, utilizes lighter materials like polymers and aluminum receivers, and employs an AR-15 style rotating bolt. While construction methods have evolved significantly, the core operating principles like the short-stroke gas piston remain similar.

Has small arms design significantly changed in the last 70 years?

According to the video, significant innovation in small arms design has largely plateaued since World War II. Modern rifles like the SCAR often repackage older concepts using new materials such as polymers and aluminum for lighter weight and cost-effective manufacturing, rather than introducing entirely new operating mechanisms.

What role do polymers play in modern firearm design compared to older rifles like the FAL?

Polymers are a key advancement in modern firearms, contributing to lighter weight and faster, cheaper manufacturing. While the FAL used some polymers, the SCAR extensively incorporates them in its stock and lower receiver. However, the video notes that the polymer quality on some modern firearms can feel less durable than older materials.

What is the operating mechanism common to both the FAL and the SCAR?

Both the FN FAL and the FN SCAR utilize a short-stroke gas piston system. In this system, gas pressure from firing pushes a rod that then strikes the bolt carrier, driving it rearward to cycle the action. This fundamental operating principle has remained consistent.

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