Why Did The US Military Abandon The SCAR Program?

Published on March 1, 2023
Duration: 27:36

This video delves into why the US military largely abandoned the FN SCAR 16 program despite its advanced short-stroke piston design. Key issues discussed include high cost compared to the M4/M16, reliability problems like double feeds with standard magazines, and ergonomic challenges such as the reciprocating charging handle causing 'knuckle busting.' The speaker, demonstrating high authority and technical familiarity, also touches on the SCAR 20S's role and the military's shift towards the Sig Spear.

Quick Summary

The US military largely abandoned the FN SCAR 16 program due to high costs compared to the M4/M16, reliability concerns like double feeds with standard magazines, and ergonomic issues with the reciprocating charging handle causing 'knuckle busting.'

Chapters

  1. 00:00Introduction to SCAR Program
  2. 01:24Cost and Reliability Issues
  3. 03:47Ergonomics and 'Knuckle Busting'
  4. 08:14Magazine Compatibility and Double Feeds
  5. 10:38Stock and Heat Dissipation
  6. 12:49Modularity vs. Practicality
  7. 16:03Shift to NGSW and SCAR 20S

Frequently Asked Questions

Why did the US military abandon the FN SCAR 16 program?

The US military largely abandoned the SCAR 16 program due to high costs compared to the M4/M16, reliability concerns like double feeds with standard magazines, and ergonomic issues with the reciprocating charging handle causing 'knuckle busting'.

What were the main reliability issues with the FN SCAR 16S?

The SCAR 16S experienced double or triple feed malfunctions, particularly with older or worn standard GI magazines. Clearing these jams often required partial disassembly because rounds would get stuck in the op-rod channel.

How did the SCAR's modularity compare to the M4's in military use?

While the SCAR was marketed as modular, changing barrels required re-zeroing optics. The military found swapping M4 upper receivers more practical as it maintained zero and was more cost-effective for operational needs.

What is the current status of the FN SCAR 20S?

The FN SCAR 20S remains a respected precision rifle, but it faces competition from Direct Impingement (DI) systems like the M110, largely due to established familiarity and ergonomic preferences within the military.

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