MA5K carbine
From Halopedia, the Halo wiki
The MA5K Assault Rifle was a cut down version of the MA5B Assault Rifle. It featured stripped down features that appeared almost skelital. The Rifle resembels the BR55 Battle Rifle and could be the weapon that it was based off of. MA5Ks were not as often used for frontline duty, but they came into use by the Spartan-IIIs from 2531 to 2552[1]
References
- ^ Halo: Ghosts of Onyx, Page 170