FN USA M249S semi-auto rifle!

Published on June 19, 2016
Duration: 25:57

The FN M249S semi-automatic rifle offers the iconic SAW platform in a civilian-legal configuration. While firing from a closed bolt for safety, it retains belt-fed capability and a familiar operating system. Testing revealed near-zero felt recoil due to its weight and excellent factory sight alignment, though magazine feeding showed significant wear on feed lips. The rifle demonstrated 100% reliability over nearly 500 rounds.

Quick Summary

The FN M249S semi-automatic rifle fires from a closed bolt, offering enhanced safety over the full-auto M249 SAW's open-bolt operation. It provides near-zero felt recoil due to its weight and demonstrated 100% reliability over 500 rounds, though magazine feed lips may show wear.

Chapters

  1. 00:00Introduction to the FN M249S
  2. 01:20Disassembly and Mechanical Differences
  3. 03:16Internal Components Breakdown
  4. 05:01Reassembly and Lubrication Tips
  5. 07:18Ammunition Linking Demonstration
  6. 08:37Range Testing: Belt-Fed Firing
  7. 11:19Rapid Fire and Trigger Reset
  8. 13:53Magazine Feeding Reliability Test
  9. 15:52Conclusion and Future Plans

Frequently Asked Questions

What are the key differences between the FN M249S and the full-auto M249 SAW?

The primary difference is that the FN M249S is a semi-automatic rifle firing from a closed bolt, enhancing safety and civilian legality. The original M249 SAW is a select-fire machine gun that typically fires from an open bolt.

How does the FN M249S perform during firing, especially regarding recoil?

Despite its considerable weight, the FN M249S exhibits almost zero felt recoil. This characteristic, combined with good factory sight alignment, makes it surprisingly manageable and comfortable to shoot, even during rapid fire sequences.

What is the reliability of the FN M249S based on the review?

The FN M249S demonstrated excellent reliability, functioning flawlessly throughout the test firing of nearly 500 rounds. It performed consistently with both belt-fed ammunition and standard 30-round magazines.

Are there any potential issues when using standard magazines with the FN M249S?

Yes, when using standard 30-round NATO magazines with the M249S platform, significant wear can occur on the magazine feed lips. This is a known characteristic associated with the SAW platform when fed from magazines.

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