Updated on August 22, 9:12 a.m. (GMT+8): Added more Modern Warfare 3 guides.

Weekly challenges in Modern Warfare 3 sometimes require you to obtain a bunch of Alternate Ammo Kills.

As is tradition, you’ll unlock a certain reward when you complete this challenge along with other tasks.

Scoped XRK Stalker on Training Facility in ONE Esports' image for how to get Quickscope Kills in Modern Warfare 3
Credit: ONE Esports
What are Quickscope Kills in Modern Warfare 3 and how to get them fast

However, the game doesn’t exactly mention what Alternate Ammo Kills are, which is why many players are having a hard time completing this challenge.

But worry not, as we’ve got you covered with this comprehensive ONE Esports guide to help you rack up Alternate Ammo Kills in MW3.

Alternate Ammo Kills in MW3 explained

Modern Warfare 3 operator attempting to eliminate his opponent using a knife on Terminal map in ONE Esports' image for the article on Operator Kills
Credit: ONE Esports, Activision
What are Operator Kills in Modern Warfare 3? It’s easier than you think

Alternate Ammo Kills refer to eliminations obtained while an ammunition attachment is equipped to your weapon.

In simpler terms, you need to attach an ammunition accessory to one of your weapons and eliminate opponents with it.

To begin, go to the Gunsmith section and choose either a primary or secondary weapon. Once you’re on the loadout customization screen, equip one of the ammunition attachments listed below:

Hunter's Grin operator skin in ONE Esports' image for the article on Operator Fury Kills in Modern Warfare 3
Credit: ONE Esports, Activision
What are Operator Fury Kills in Modern Warfare 3 — new kills explained
  • .300 Blk Hollowpoint
  • .500 High Grain Rounds
  • .50 Pistol Armor Piercing
  • .338 Magnum Frangible
  • .408 Frangible
  • .338 Magnum Round Nose
  • .50 Cal Incendiary
  • .408 High Velocity
  • .408 Incendiary
  • .45 Auto Overpressured +P
  • .277 Round Nose
  • .338 Magnum Spire Point
  • .300 Frangible
  • .408 Hollowpoint
  • .300 Hollowpoint
Operator Scar shooting at enemies in ONE Esports' image for what are Barebones Kills in Modern Warfare 3 and how to get them fast
Credit: Activision, ONE Esports
What are Barebones Kills in Modern Warfare 3 and how to get them fast
  • .408 Explosive
  • .338 Magnum Incendiary
  • .45 Auto Frangible
  • .50 Cal Explosive
  • .50 Cal High Grain Rounds
  • .408 Pace High Grain Rounds
  • .408 Pace Round Nose
  • .277 Low Grain Rounds
  • .300 Mag High Velocity
  • .45 Auto Low Grain Rounds
  • .338 Mag Round Nose
  • .277 Armor Piercing
  • .277 Tracer
  • .50 Cal Frangible
  • .50 GS
  • .277 Incendiary
  • .338 Magnum Low Grain Rounds
  • .277 Mono
  • .45 Auto Hollowpoint
Ranked Play operators at Terminal map in ONE Esports' image for what are Clean Kills in Modern Warfare 3
Credit: Activision, ONE Esports
What are Clean Kills in MW3 and how to quickly get them
  • .45 Auto AET Rounds
  • .300 Mag Frangible
  • .338 Magnum Hollowpoint
  • .308 Hollowpoint
  • .408 Armor Piercing
  • .50 Cal Low Grain Rounds
  • .408 Pace Mono
  • .338 Magnum Overpressured+P
  • .408 Overpressure +P
  • .500 Frangible
  • .300 High Velocity
  • .408 High Velocity
  • .308 Frangible
  • .500 Hollowpoint
  • .277 High Velocity
  • .300 Overpressured +P

After carefully following the abovementioned instructions, head to any gameplay mode in MW3 and accumulate kills to fulfill tasks involving this type of elimination.

We recommend joining matches in Hardcore and Small Map Mosh Pit playlists to swiftly get Alternate Ammo Kills.

READ MORE: Best mouse and keyboard settings in Modern Warfare 3 and Warzone