COD MW3 Modern Warfare 3: Complete Weapon List and Attachments

Modern Warfare 3 features a variety of different multiplayer weapons that can be customized with attachments and camouflages. Each weapon in MW3 can be leveled up, see our Weapon Proficiencies and Progression Explained page.

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Primary MW3 Weapons

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Primary Weapon Attachments

  • Red Dot Sight – Precision sight.
  • Silencer - Invisible on radar when firing.
  • Grenade Launcher – Undermounted grenade launcher.
  • ACOG Scope – Enhanced zoom ACOG scope.
  • Heartbeat Sensor – Track enemy locations.
  • Rapid Fire – Increased fire rate.
  • Hybrid Sight – 4x scope with attached reflex sight.
  • HAMR Scope – 3x scope with attached reflex sight.
  • Shotgun - Undermounted shotgun attachment.
  • Holographic Sight – Holographic sight.
  • Extended Mags – Extended magazines.
  • Thermal – Enemies flow white hot.
  • Variable Zoom Scope – Sniper rifle attachment that allows for adjustable zoom.

Primary Weapon Reticle

  • Target Dot
  • Delta
  • U Dot
  • Mil-Dot
  • Omega
  • Lamda

Secondary MW3 Weapons

Secondary Weapon Attachments


  • Tactical
  1. FLASH GRENADE – Temporarily blinds the enemy.
  2. CONCUSSION GRENADE – Slows enemy movement and also disorients them. It can also be used to temporarily disable enemy equipment and turrets.
  3. SCRAMBLER – Once deployed, it scrambles the enemy radar within its effective radius.
  4. EMP GRENADE –  Destroys enemy equipment and electronics within its blast radius.
  5. SMOKE GRENADE –  Creates a thick smoke screen.
  6. TROPHY SYSTEM –  Once deployed, it deflects explosives, e.g., missiles that are launched at its direction.
  7. TACTICAL INSERTION – Once deployed, you can respawn on it after you die. The TACTICAL INSERTION can be destroyed by the enemy.
  8. PORTABLE RADAR – Shows enemy movement within its radius once it has been deployed.
  • Lethal
  1. FRAG – Cookable fragmentation grenade that causes lethal radius damage.
  2. SEMTEX – Works just like the FRAG, but it sticks to the first thing it touches, including other players. It has a set timer and cannot be cooked.
  3. THROWING KNIFE – The THROWING KNIFE is a one-hit kill. The knife can be retrieved and used again.
  4. BOUNCING BETTY – When triggered, the BOUNCING BETTY launches into the air and explodes. The blast can be avoided by going prone quickly.
  5. CLAYMORE – Anti-personnel mine that’s triggered once the enemy gets close to it.
  6. C4 – Charge of plastic explosives, set off manually with a detonator.

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