If you want to get a full understanding of the current MW3 weapon meta, here is our Modern Warfare 3 tier list ranking all 100+ weapons in the game: Best Join vid bud Liam as he gives you all the tips and tricks you need to survive within Warzone and DMZ. In this guide, we've ranked the 10 best guns in MW3 according to the game's current meta, so you can feel confident in your gun choices for Modern Warfare 3! Check out our ultimate beginner's guide for Warzone 2.0. And if you're a long-term player, you may be wondering what are the best MW3 guns for dealing with the game's increased health pool and new time-to-kill stats. If you're a COD newcomer, this might make you feel overwhelmed. Thanks to the Carry Forward system that allows for all the guns from MW2 to be used in Modern Warfare 3, the array of available choices far surpasses that of any previous Call of Duty title. What are Modern Warfare 3's best guns? Call Of Duty: Modern Warfare 3 features an extensive arsenal with a staggering 115 weapons available upon launch.