How to unlock Sledgehammer in MW3 & Warzone

Nathan Warby
MW3 and Warzone player using Sledgehammer

The Sledgehammer is a new melee weapon that arrived in Modern Warfare 3 and Warzone Season 4 Reloaded for players to unlock.

This heavy-hitting melee option is all about brute force with a “20-pound head forged from carbon steel.” It was released alongside the SPAS-12 Shotgun, now named the Reclaimer 18.

Here’s how to get the Sledgehammer in MW3 and Warzone.

MW3 and Warzone player swinging Sledgehammer
The sledgehammer is one of the most brutal melee weapons released to date.

How to get Sledgehammer

You can unlock the Sledgehammer by completing any five Weekly Challenges from Week 5, these can be done across multiplayer, Warzone, and Zombies. Check out all of the challenges you can choose from below to unlock the weapon:

Multiplayer

  • Get 30 Operator Assists
  • Get 10 Operator Kills with the Gun-Butt of a Recommended Weapon
  • Get 15 Operator One Shot One Kills with Recommended Shotguns
  • Get 12 Operator Kills with Claymores, Proximity Mines, or C4
  • Perform three Finishing Moves on Enemy Operators
  • Get three Operator Melee Double Kills
  • Get two Operator Fury Kills with a Recommended Weapon

Zombies

  • Complete 10 Contracts
  • Get 75 Kills with the Gun-Butt of a Recommended Weapon
  • Get 250 One Shot One Kills with a Pack-A-Punched Recommended Shotgun
  • Get 75 Operator Kills with Claymores, Proximity Mines, or C4
  • Perform five Finishing Moves on Mercs
  • Get 10 Kills without being hit 20 times with a Recommended Melee Weapon
  • Get five Rapid Kills 30 times with a Recommended Assault Rifle

Warzone

  • In Warzone, open 50 Loot Caches
  • In Warzone Fortune’s Keep, get 10 Operator Kills in the East Region (Konni Outpost, Lighthouse, Pier, Winery)
  • In Warzone, complete 10 Contracts
  • In Warzone Fortune’s Keep, get 10 Operator Kills in the North Region (Gatehouse, Keep, Terraces)
  • In Warzone Fortune’s Keep, get 10 Operator Kills in the South Region (Ground Zero)
  • In Warzone Fortune’s Keep, get 10 Operator Kills in the West Region (Graveyard, Overlook, Town)
  • In Warzone, place in the Top 10 five times

The Season 4 Reloaded update is packed full of new content from, the Mutation modes and Redacted Weapons in Warzone, to the returning Havoc playlist in MW3.