COD MW3 Modern Warfare 3: Weapon Proficiencies and Progression Explained

Weapon Proficiency in MW3 is a new weapon customization system that will enable players to modify and level up their weapon while they level up their character. Proficiency is an extra perk that will go along your primary weapon. They may be unlocked just like attachments. While you gain levels and take care of challenges using your primary weapon, you are going to unlock new proficiencies for that weapon


  • Kick – Reduces gun recoil
  • Impact – Bullets carry mode damage through materials
  • Attachments – Allows two attachments to be added to the weapon.
  • Focus – Reduce flinch when hit
  • Breath – Hold breath while aiming down sights
  • Stability- Reduced weapon sway while aiming down the sights
  • Range- Increases the weapon’s range. Doesn’t work with Light Machine Guns and Sniper Rifles
  • Damage – Shells do more damage (Shotgun only)
  • Melee – Faster melee
  • Speed – Increases your speed when you have the weapon equipped. This only works with Light Machine Guns and Sniper Rifles

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