Before you can equip new Ammunition types for your gun in MW3, you will first need to unlock its Ammunition Slot. To unlock this attachment slot, you will need to earn Weapon XP for your chosen gun by using it in MW3 multiplayer matches, Zombies, or Warzone.
Once you have both the Ammunition Slot and a compatible ammunition type unlocked for your gun, you can customize your weapon and use the new ammunition type via the Gunsmith.
| Ammunition Types | Effect |
|---|---|
| High Velocity | Gives your gun a better effective range at the cost of a lower damage range. |
| Hollowpoint | Hits will slow your target but at the cost of bullet velocity and penetration. |
| Frangible | Hits will increase the time it takes for enemies to heal back the damage taken, at the cost of a lower damage range and bullet penetration. |
| Armor Piercing | Offers better bullet penetration and vehicle damage at the cost of bullet velocity. |
| Overpressured +P | Makes targets flinch more on hit, throwing off their aim at the cost of your gun having poorer recoil control. |
| Incendiary | Highly effective against vehicles and killstreaks; less so against enemy players. |
Ammunition types allow you to modify the damage strengths of your equipped gun. For example, High Velocity rounds give your gun better effective range at the cost of damage, while Incendiary rounds offer increased vehicle damage at the cost of poor bullet penetration and velocity.
The 4.6mm Armor Piercing is a weapon attachment featured in Call of Duty: Modern Warfare 3 (2022) and Call of Duty: Warzone 2.
It is one of the Ammunition attachments available in MW3.
The 4.6mm Armor Piercing is a Universal Attachment, which means it can be used across all Weapons Platforms in the game.
Here's how to unlock the 4.6mm Armor Piercing attachments in COD Modern Warfare 3 and COD Warzone 2: Get the Vel 46 to Level 21.
Here you can find the list of Weapon Blueprints that include the 4.6mm Armor Piercing attachment in COD Modern Warfare 3 and COD Warzone 2: