The Flood - Chief In Character

It seemed as if the Autumn was infested with chrome-armored demons spouting plasma fire. The Master Chief had acquired an MA5B assault rifle along with close to four hundred rounds of 7.62mm armor piercing ammunition. In this situation, with plenty of ordnance lying around, he preferred to reload when the ammo indicator on his weapon dropped to around 10. Failure to do so could result in disaster if he ran into serious opposition. With that in mind, the Chief hit the release, allowed a nearly empty magazine to fall, and shoved a new clip into its place. The weapon’s digital ammo counter reset, as did its cousin in his HUD

- Halo: The Flood, Chapter 1