How many groups (assemblies) are there for the M240?

The M240 machine gun is designed with five major groups or assemblies, each serving a specific function essential to the operation and maintenance of the weapon. These assemblies are the trigger housing assembly, the bolt and operating group, the feed tray assembly, the barrel assembly, and the receiver assembly.

Understanding the structure of the M240 is important as each group plays a crucial role in the firearm's operation. For example, the bolt and operating group are critical for the cycling of the weapon, while the feed tray assembly ensures the ammunition is correctly loaded into the chamber. Familiarity with these groups enhances a gunner's ability to conduct maintenance, troubleshoot issues, and ensure proper operation in various combat scenarios.

Remembering that there are five assemblies helps reinforce the complexity and sophistication of the M240, which is an integral piece of equipment within the Marine Corps armament. Knowing the number of assemblies is foundational knowledge for effective training in machine gunnery.