Call of Duty: Modern Warfare 3 (MW3 2022) allows players to use different types of Ammunition when customizing their guns. Read on for a complete list of all Ammunition types in MW3, including how to unlock each type.
| Attachment | How to Unlock |
|---|---|
| 6.5mm High Velocity | ・Get the TAQ-M to Level 6. |
| 6.5mm Hollowpoint | ・Get the TAQ-M to Level 13. |
| 6.5mm Frangible | ・Get the TAQ-M to Level 17. |
| 6.5mm Armor Piercing | ・Get the TAQ-M to Level 19. |
| 6.5mm Overpressured +P | ・Get the TAQ-M to Level 21. |
| 6.5mm Incendiary | ・Get the TAQ-M to Level 24. |
| 5.56 Armor Piercing | ・Get the M4 to Level 9. |
| 5.56 Overpressured +P | ・Get the TAQ-56 to Level 2. |
| .458 Frangible | ・Get the FTAC Recon to Level 4. |
| .458 Overpressure +P | ・Get the FTAC Recon to Level 9. |
| .458 High Velocity | ・Get the FTAC Recon to Level 13. |
| .458 Hollow Point | ・Get the FTAC Recon to Level 17. |
| .458 Armor Piercing | ・Get the FTAC Recon to Level 21. |
| 5.7x28mm Hollow Point | ・Get the FSS Hurricane to Level 11. |
| 7.62 Armor Piercing | ・Get the RPK to Level 5. |
| 7.62 Incendiary | ・Get the RPK to Level 13. |
| 5.56 High Velocity | ・Get the STB 556 to Level 7. |
| 7.62 Hollowpoint | ・Get the Kastov 762 to Level 5. |
| 7.62 Overpressured +P | ・Get the Kastov 762 to Level 10. |
| 7.62 High Velocity | ・Get the Lachmann-762 to Level 12. ・Get the Kastov 762 to Level 13. |
| 7.62 Frangible | ・Get the Kastov 762 to Level 18. |
| 5.45 Armor Piercing | ・Get the Kastov 545 to Level 4. |
| 5.45 Overpressured +P | ・Get the Kastov 545 to Level 11. |
| 5.45 High Velocity | ・Get the Kastov 545 to Level 15. |
| 5.45 Hollowpoint | ・Get the Kastov-74u to Level 15. |
| 5.45 Frangible | ・Get the Kastov-74u to Level 20. |
| 9mm Hollowpoint | |
| 9mm Frangible | ・Get the Minibak to Level 8. |
| 9mm Armor Piercing | ・Get the Minibak to Level 11. |
| 9mm Overpressured +P | ・Get the Minibak to Level 14. |
| 5.56 Frangible | ・Get the Lachmann-556 to Level 8. |
| .308 Frangible | |
| .308 Armor Piercing | |
| .308 High Velocity | |
| .308 Overpressured +P | |
| .308 Hollow Point | |
| .308 Incendiary | |
| .300 Armor Piercing | |
| .45 GVT Frangible | ・Get the Lockwood Mk2 to Level 4. |
| .45 GVT Hollowpoint | ・Get the Lockwood Mk2 to Level 24. |
| .45 GVT Armor Piercing | ・Get the Lockwood Mk2 to Level 21. |
| .45 GVT Overpressured +P | ・Get the Lockwood Mk2 to Level 18. |
| .45 GVT High Velocity | ・Get the Lockwood Mk2 to Level 10. |
| .45 GVT Incendiary | ・Get the Lockwood Mk2 to Level 28. |
| .500 Hollowpoint | ・Get the Basilisk to Level 3. |
| .338 Mag Armor Piercing | ・Get the RAAL MG to Level 16. |
| .500 Frangible | ・Get the Basilisk to Level 6. |
| 5.7x28mm Armor Piercing | ・Get the PDSW 528 to Level 8. |
| 4.6mm Frangible | |
| 4.6mm Hollowpoint | |
| 4.6mm Armor Piercing | |
| 4.6mm Overpressured +P | |
| 9mm Sub FR | |
| 9mm Sub HP | |
| 9mm Sub AP | ・Get the MX9 to Level 16. |
| 9mm Sub OP | |
| 5.7x28mm Frangible | |
| 5.7x28mm Overpressured +P | |
| .45 Auto Frangible | |
| .45 Auto Hollowpoint | |
| .45 Auto Armor Piercing | |
| .45 Auto Overpressured +P |