Leveling up weapons and unlocking attachments is the most tiresome thing to do in Call of Duty: Warzone. Since the best weapon attachments are usually unlocked at higher weapon levels, players are compelled to put in time upgrading them.

This guide discusses the best, most efficient, and fastest ways to level up guns in Warzone. Before we start with the methods, here are some quick tips to note:

Image via Activision

Level Up Guns in Rebirth Island

Contract bonus increases the amount of XP you get after each contract is completed. However, these bonuses are only applicable in regular Battle Royale and Rebirth Island game modes, not in Plunder. Since you can redeploy after dying in Rebirth Island, it’s the best level up method so far.

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Furthermore, you can purchase at a cheaper cost and within the first minute of the game. With the map being small, Supply Run’s objective buy stations are marked extremely close to the contract, sometimes just within 20 meters. Keep the points mentioned above in mind and start the grind.

Level Up Guns in Plunder

Although not the best method out there, it sure is the most used one. Contract bonuses don’t apply and it takes considerable time to complete contracts. That being said, it is best forsologrinders as you they redeploy indefinitely. A few things to keep in mind are:

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