The M13B is one of the very best assault rifles to use in your Warzone 2 loadouts. Here’s the meta build for it:

Attachment TuningHow to Unlock
XTEN Ported 290 (Muzzle)+0.46 ↑
+0.18 →
HCR 56 Level 16
14″ Bruen Echelon (Barrel)+0.40 ↑
+0.21 →
M13B Level 17
AIM OP-V4 (Optic)-1.58 ↓
-1.50 →
BAS-P Level 5
5.56 High Velocity (Ammunition)-0.54 ↓
-2.90 ←
STB 556 Level 7
60 Round Mag (Magazine)N/A M13B Level 17
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Alongside this M13B build, you’ll want to use one of the meta SMG loadouts in Warzone 2, so you are just as deadly up close as you are at long distances.

Best M13B Loadout Warzone 2 Season 4
This M13B build is up to date following the Warzone 2 Season 6 update on September 27, 2023.

Meta M13B Attachments in Warzone 2

There are plenty of great muzzles for the M13B, but the XTEN Ported 290 has the best recoil control, reducing vertical recoil by 27% and horizontal recoil by 10%. If you don’t have this unlocked yet, then the Sakin Tread-40 is a great alternative.

The 14″ Bruen Echelon gives the M13B 20% additional damage range and bullet velocity, making it a very powerful attachment. What’s more, it decreases your vertical and horizontal recoil by 7.2%!

The AIM OP-V4 is the best long-range assault rifle optic in Warzone 2 in our opinion, but feel free to choose your favorite!

Every long-range assault rifle needs high bullet velocity. You’ll want to use the 5.56 High Velocity with the M13B to increase it by a huge 44%!

As the M13B has a fast fire rate, you’ll need a large magazine, so you aren’t constantly reloading. That’s why the 60 Round Mag is almost essential!

M13B Warzone

Best Secondary Weapons for M13B Class

High-damage SMGs are the best secondary weapons to use in your M13B loadout for Warzone 2. These are the best choices:

Best M13B Perks & Equipment in Warzone 2

You will want to use the following perks and equipment in your M13B loadout for Warzone 2:

  • Perk 1: Overkill
  • Perk 2: Bomb Squad
  • Perk 3: Fast hands
  • Perk 4: Ghost
  • Tactical: Stun Grenade
  • Lethal: Semtex

M13B Alternatives

If you want an alternative to the M13B in Warzone 2, both of these long-range assault rifles are also great options:

Senior Staff Writer
Django grew up with a PlayStation controller in his hands and loves all kinds of games, from Football Manager to Yakuza.
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