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Best Black Ops 6 XM4 loadout and class setup

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Turn this starting weapon into the best assault rifle in BO6 with this build.

Black Ops 6 best XM4 loadout - the first-person view of a blue XM4 assault rifle
(Image credit: Activision)
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January 2025: Despite all the new guns that arrived in Season 1 and Season 2, the XM4 remains a mainstay of Black Ops 6. It's the jack-of-all-trades rifle with easy handling, good damage, and a quick enough fire rate to carry you from your first match to your last.

The first weapon you’re likely to use in Call of Duty: Black Ops 6 is the XM4, a jack-of-all-trades assault rifle. While it’s the default gun, don’t mistake its easy access for weakness. In fact, the best Black Ops 6 XM4 loadout is one of the strongest builds in the entire game, with great recoil control, rate of fire, and damage.

Sure, the XM4 might not be the best long-range rifle or close-range dueller, but it makes up for it by being surprisingly good at everything. This is definitely one of the best Black Ops 6 weapon loadouts that you can use. But how do you kit it out? Well, here’s the perfect XM4 build, alongside great perks, Wildcard, and more.

Best Black Ops 6 XM4 loadout

(Image credit: Activision)

The best Black Ops 6 XM4 loadout is:

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  • Optic: Merlin Reflex
  • Muzzle: Suppressor
  • Barrel: Long Barrel
  • Underbarrel: Vertical Foregrip
  • Magazine: Extended Mag 1
  • Rear Grip: Commando Grip
  • Stock: Light Stock
  • Fire Mods: Recoil Springs

The choice of optic is largely down to personal preference, though the Merlin Reflex, Volzhskiy Reflex, Kepler Microflex, and Merlin Mini all offer great visibility when aiming down sights.

Thanks to the Gunfighter Wildcard, you can deck out the XM4 with tons of attachments that take its base lethality to the next level. Firstly, the Suppressor will keep you off the radar when firing, which is great for staying hidden while flanking. If you’re not one for subtlety, then use the Compensator instead for added vertical recoil control.

(Image credit: Activision)

Here’s my recommended class setup to pair with the XM4:

  • Secondary: Grekhova
  • Tactical: Flashbang/Concussion Grenade
  • Lethal: Semtex
  • Field Upgrade: Spring Mine
  • Perk 1: Gung-Ho
  • Perk 2: Assassin
  • Perk 3: Bankroll
  • Specialty: Enforcer
  • Wildcard: Gunfighter

You can’t really go wrong with any of the sidearms, though—being full-auto—the Grekhova comes in clutch during those butt-clenching firefights where you just need to unload a volley of bullets at your enemy. You can even equip it with Rapid Fire and a massive magazine.

Moving onto perks, it’s about what you’d expect from an aggressive, close-range setup. The goal is to activate the Enforcer combat specialty for a temporary buff to movement speed and health regeneration after kills. With this in mind, you need to pick three Enforcer (red) perks.

(Image credit: Activision)

For the first perk, I’m a fan of Gung-Ho as it gives added mobility while sprinting, ensuring you’ve always got an edge over your enemy. Dexterity is also a good substitute here, reducing weapon motion while jumping, sliding, and diving, as well as reducing fall damage.

The second perk is a lot more clear-cut, with Assassin being the only useful Enforcer perk in this slot; Bruiser is a melee-focused perk. With Assassin, you can earn bonus Score towards your Scorestreaks for collecting Bounty Packs dropped by enemies.

Finally, the third perk slot offers two middling Enforcer perks that are nonetheless necessary to activate the specialty. I prefer Bankroll as it makes it very easy to earn recon streaks like Scout Pulse, though Double Time is great for faster flanking.

With this XM4 loadout in your hands, you’ll be ready for any map and mode you’re thrown into, especially as the XM4 is still one of the best weapons in multiplayer, too. It’s also the perfect place to start the Black Ops 6 Mastery Camo grind if you’re up for the challenge.