Modern Warfare II features a vast arsenal categorized into Assault Rifles, SMGs, LMGs, Sniper Rifles, Marksman Rifles, Shotguns, Handguns, Launchers, and Melee weapons. Each category serves a distinct purpose. The Gunsmith system allows for extensive customization with attachments like muzzles, barrels, lasers, optics, stocks, underbarrels, magazines, rear grips, and ammunition types. Understanding how each attachment affects weapon stats is crucial for optimizing your loadouts.
Attachment Impact Table
| Attachment Slot | Common Benefits | Common Drawbacks |
|---|---|---|
| Muzzle | Sound Suppression, Recoil Control, Bullet Velocity | ADS Speed, Aiming Stability |
| Barrel | Damage Range, Bullet Velocity, Recoil Control | ADS Speed, Movement Speed |
| Laser | ADS Speed, Sprint to Fire Speed, Aiming Stability | Visible to Enemies (sometimes) |
| Optic | Precision Sight Picture | ADS Speed (for higher zoom) |
| Stock | Movement Speed, ADS Speed, Recoil Control | Aiming Stability, Flinch Resistance |
| Underbarrel | Recoil Stabilization, Aiming Stability, Hip Fire Accuracy | ADS Speed, Movement Speed |
| Magazine | Increased Ammo Capacity | ADS Speed, Movement Speed, Reload Speed |
| Rear Grip | Recoil Control, Flinch Resistance, Sprint to Fire Speed | Aiming Stability |
| Ammunition | Damage, Bullet Velocity, Penetration | Recoil Control, Damage Range |
While Modern Warfare II introduced the platform-based progression system, Call of Duty: Modern Warfare III expands this ecosystem by allowing players to carry over their entire unlocked arsenal.