As a fully automatic shotgun, it boasts a high fire rate without having to sacrifice its damage potential.
Why use the MX Guardian in MW3?
The MX Guardian is a reliable shotgun choice that can effectively achieve one-shot kills from close range.

Additionally, the muzzle increases damage and pellet spread.
Best MX Guardian class setup: Secondary weapon
FJX Imperium, Longbow.
TheFJX ImperiumorLongboware both great options and are considered some of thebest sniper rifles in Modern Warfare 3currently.

Likewise, the Longbow is a consistent and reliable sniper, capable of one-shot kills with high mobility stats.
so that equip two primary weapons, you’ll need to choose either the Gunner or Overkill Vest.
We think theGunner Vestis a worthy choice for the added focus on ammo retention.

With thisvest, you’ll deploy with max ammo and will receive a bonus to reload speed.
Speaking of close combat, forGearyou’d be best choosing something that will help toughen up your build.
This will especially benefit a close combat build more on the front lines of enemy fire.

For more Modern Warfare tips and tricks, check out our guide to thebest perksin-game for optimal loadouts.
Best MX Guardian alternatives in Modern Warfare 3
Lockwood 300, KV Broadside.
That rounds off our guide to the best MX Guardian build in Modern Warfare 3.