Mark-G313
From Halopedia, the Halo wiki
Mark is a Spartan III in Team Saber, one of the leading squads in the Gamma generation of Spartan IIIs. The best marksman of the company, they called him "The Mark". Good with a sniper rifle, but better with a rifle in a target rich free for all. He is currently with the survivors of the Battle of Onyx.
