Originally posted by golem370
http://en.wikipedia.org/wiki/MJOLNIR_battle_armor#MJOLNIR_Mark_V
M6D Automatic Pistol: A semiautomatic sidearm. Fires a 12.7 mm semi-armour-piercing high-explosive projectile. The M6D has a 12 round magazine and the ability to link up to suit or helmet optics to create a 2x optical smart-link scope. - Halo: Combat Evolved armament
M90 Pump-action Shotgun: The M90 is an 8-gauge standard issue pump action shotgun. It can carry up to 12 rounds of ammunition. - Halo & Halo 2 Armament
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Brute Shot: A Covenant grenade launcher prominently used by Brutes. It carries four low-yield grenades in a magazine, and it has a breech-mounted blade that makes for a very effective melee weapon. Projectiles bounce once before exploding. - Halo 2 Armament
You gave him a pistol to fight giant mecha sentinels.
The Chief gets stomped... probably literally.
For the sake of a debate, though... could Cortana take out/control the Sentinels? After all, she is a 25th century AI...