★ S6 New Guns: DTIR 30-06 | Kastov LSW
☆ S5 Reloaded Dark Aether Keys and Locations
★ Mr. Peeks | Drum | Locked Diary | Giraffe Toy
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The .45 Auto Hardened Rounds is a gun attachment found under the Ammunitions attachment category of Modern Warfare 3 (MW3). Check out our guide to learn how to unlock the .45 Auto Hardened Rounds and find out all compatible guns for this attachment!
List of Contents
The .45 Auto Hardened Rounds attachment can be unlocked by leveling up the following guns in MW3 multiplayer, Zombies, or Warzone:
| Weapon | Required Level |
|---|---|
 Striker
|
Raise the Striker to Level 21 |
Alternatively, players who have reached Account Level 25 can opt to complete Armory Unlock challenges to get the .45 Auto Hardened Rounds attachment, early.
Once you unlock this feature, modify your chosen gun at the Gunsmith and select the .45 Auto Hardened Rounds from the Ammunition attachment slot of your weapon. This should activate its Armory Unlock contract, allowing you to complete Daily and Bonus Challenges to get it earlier.
| Guns That Can Use the Attachment | ||
|---|---|---|
 P890
|
||
| Attachments By Type | |||
|---|---|---|---|
| Barrel | Stock | Ammunition | Muzzle |
| Rear Grip | Optic | Underbarrel | Magazine |
| Receiver | Laser | Comb | Trigger Action |
| Guard | Bolt | Arm | Rail |
| Carry Handle | Lever | Loader | Wire |
| Conversion Kit | |||
| Best MW3 Ammunition |
|---|
| This list is under construction! |
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