How does the type of ammunition used impact machine gun capabilities?

The type of ammunition used in machine guns significantly impacts their capabilities by maximizing effectiveness against various targets. Different types of ammunition, such as armor-piercing, hollow-point, or tracer rounds, are designed to perform differently based on the intended target. For instance, armor-piercing rounds are specifically engineered to penetrate hard surfaces and armored targets, making them more effective in combat situations where such threats are present. Conversely, hollow-point rounds are designed to expand upon impact, enhancing their lethality against soft targets. The ability to select the appropriate type of ammunition allows for tailored responses to different combat scenarios, emphasizing the versatility and effectiveness of the machine gun as a weapon system.

Additionally, considering the other options, it is clear that ammunition does more than merely influence the rate of fire or change weight, nor is it negligible in its effects. Each type of ammunition serves distinct purposes, necessitating knowledge of their characteristics for effective deployment in various combat situations.