Here are all the weapon buffs and nerfs in the MW3 and Warzone Season 2 Reloaded, which are set to completely change the meta in both games.
All weapon buffs and nerfs in MW3 & Warzone Season 2 Reloaded - Dexerto
Controversial “Groot” skin returns to MW3 & Warzone in Season 1 Reloaded : r/CharlieINTEL
Every buff & nerf in MW3 & Warzone Season 1 - Charlie INTEL
Every weapon buff & nerf in Modern Warfare 2 & Warzone 2 Season 2 Reloaded - Charlie INTEL
All weapon buffs & nerfs in Modern Warfare 2 & Warzone 2 Season 2 - Charlie INTEL, snipers nerfed mw2
Warzone Season 1 Reloaded update patch notes: Champion's Quest, KATT-AMR nerf, audio improvements, more : r/CharlieINTEL
Best Assault Rifles in Modern Warfare 3: Every MW3 Season 2 Reloaded AR ranked - Charlie INTEL
All weapon buffs & nerfs in Modern Warfare 2 & Warzone 2 Season 2 - Charlie INTEL
Call of Duty®: Modern Warfare® II - Season 06 Patch Note : r/ModernWarfareII