Weapon Level is an important aspect of Call of Duty: MW2. Not only it allows you to unlock different attachments for a particular Weapon Platform but is also needed to unlock some of the Base Camo Challenges. The grind, however, can be excruciating if you are not dropping a lot of kills in every single match. Luckily, there is a much faster way that can help you max out all of your weapons fairly quickly. In this Call of Duty: Modern Warfare 2 guide, we have shared the fastest method to level up all your weapons to the max.

You need to launch the new ‘Invasion’ game mode. It is a 20 vs. 20 but there are also 20 AI-bots on each team — this is what we will take advantage of. Immediately after you land, look for a vehicle and try to go all the way to the opposite side where the other team spawns. Once you are there, look for some cover and start killing AI-bots on the other team. You will notice that killing these bots will also grant you Weapon XP which is huge.

The best part about this is that the bots that you kill will continue to spawn where they were killed. This should allow you to farm them for as long as you can survive. You will also run into other players occasionally but that is something you cannot avoid. We also recommend activating any Weapon Double XP tokens that you have got to speed up the process even further.

Sadly, killing AI-bots does not progress Mastery Camo Challenges but since you need to have a Max Level weapon to gain access to its last Base Camo Challenge, this is still a very viable option.

Lastly, please note that we do not know if this is intended. There is a slim chance that it will get patched in a future update which is why we recommend using it to your advantage while it lasts.

This is arguably the fastest way to level up your weapons in Call of Duty: Modern Warfare 2. For more tips and strategies, you can see our detailed Call of Duty: Modern Warfare (2022) wiki page.

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