★ S6 New Guns: DTIR 30-06 | Kastov LSW
☆ S5 Reloaded Dark Aether Keys and Locations
★ Mr. Peeks | Drum | Locked Diary | Giraffe Toy
☆ Final MWZ Story Mission: Ascension Walkthrough
★ Zombies Map | Dark Aether Interactive Map
☆ Rarity vs Pack-a-Punch Damage Chart
The Lockwood Smoothfire 12 is a gun attachment found under the Muzzles attachment category of Modern Warfare 3 (MW3). Check out our guide to learn how to unlock the Lockwood Smoothfire 12 and find out all compatible guns for this attachment!
List of Contents
The Lockwood Smoothfire 12 attachment can be unlocked by leveling up the following guns in MW3 multiplayer, Zombies, or Warzone:
| Weapon | Required Level |
|---|---|
 Bryson 800
|
Raise the Bryson 800 to Level 18 |
Alternatively, players who have reached Account Level 25 can opt to complete Armory Unlock challenges to get the Lockwood Smoothfire 12 attachment, early.
Once you unlock this feature, modify your chosen gun at the Gunsmith and select the Lockwood Smoothfire 12 from the Muzzle 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 | ||
|---|---|---|
 Expedite 12
|
 Bryson 890
|
Bryson 800
|
 KV Broadside
|
 MX Guardian
|
MX Guardian
|
 Riveter
|
 Haymaker
|
|
| 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 Muzzles |
|---|
| This list is under construction! |
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