The M249 - The US Military's Squad Automatic Weapon

Published on January 2, 2023
Duration: 11:22

This review of the M249 SAW covers its history, dual-feed mechanisms, and external/internal features. Brandon Herrera details its operation, including field stripping and the quick-change barrel system. The discussion touches on the legality of owning such firearms for licensed manufacturers.

Quick Summary

The M249 SAW, also known as the FN Minimi, is a belt-fed 5.56mm light machine gun adopted by the US military. It can use linked belts or AR-15 magazines in emergencies and features a quick-change barrel system for sustained fire.

Chapters

  1. 00:00Introduction & Live Fire
  2. 00:51Legality & Licensing (FFL/SOT)
  3. 02:04History & Nomenclature (FN Minimi)
  4. 03:04Dual-Feed Mechanisms (Belts & Magazines)
  5. 04:48External Features & Optics (Rails, NGAL)
  6. 05:12Internal Mechanics & Bolt Assembly
  7. 06:18Field Stripping & Disassembly (AK Comparison)
  8. 08:05Quick-Change Barrel System

Frequently Asked Questions

What is the M249 SAW and its primary role?

The M249 SAW (Squad Automatic Weapon) is a belt-fed 5.56mm light machine gun used by the US military. Originally designed by FN Herstal as the FN Minimi, it provides crucial suppressive fire capability for infantry squads.

Can the M249 SAW use standard rifle magazines?

Yes, in emergencies, the M249 SAW can accept standard AR-15/M16 magazines. However, its primary and most reliable feeding method is through linked 5.56x45mm NATO ammunition belts.

What is required to legally own a post-sample M249 SAW?

Legally possessing a post-sample machine gun like the M249 requires an 07 Federal Firearms License (FFL) combined with a Special Occupational Taxpayer (SOT) status, allowing licensed manufacturers to own such items.

What is the M249's quick-change barrel system?

The M249 features a quick-change barrel system that includes the gas block and barrel extension. This allows for rapid barrel swaps during sustained fire to prevent overheating and maintain operational readiness.

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