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COD MW3: Best BAS-B build for Warzone and multiplayer

The best build for the BAS-B battle rifle in Call of Duty: Modern Warfare III and Warzone
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If you’re looking for a quality battle rifle to use in Call of Duty: Modern Warfare III, look no further than the BAS-B. This weapon is incredibly stable, decent at range, and absolutely shreds through enemies in multiplayer. It’s still a solid choice for Warzone too thanks to its high fire rate combined with great damage. This can easily replace your favorite assault rifle build.

Before you write it off, make sure to give this BAS-B build a try. This takes down Firing Range dummies in just three shots to the chest, while most assault rifles kill in three shots to the head. That makes it incredibly fearsome in pretty much every mode when at mid-range. Just read through our attachment breakdown below for everything you need to know.

Best BAS-B loadout – MW3 & Warzone

cod mw3 bas-b (1)

This BAS-B loadout is great for damage and is still incredibly stable, as you’ll find out for yourself.

  • Optic: Slimline Pro
  • Muzzle: Purifier Muzzle
  • Underbarrel: SL Skeletal Vertical Grip
  • Magazine: 30 Round Mag
  • Rear Grip: Bruen Argo-76 Grip

The Optic really is down to your preference – this isn’t quite stable enough to be considered a long-range weapon, but the Slimline Pro is a solid choice if you’re not picky.

The other attachments are built for stability – other than the Magazine, of course. The default magazine size of 20 rounds is fine for one-on-one engagements, but in a busy multiplayer match or a Warzone game against a full team, it will regularly leave you helplessly reloading. If you’re confident that 20 rounds is all you’ll need, you could always swap this out for a different Ammunition type or a Stock.

Once you’ve got your build solidified, you’ll find that the BAS-B is one of the most competitive and indeed “meta” weapons in your arsenal while playing MW3’s multiplayer and Warzone.