Snipers and Assault Rifles are my favorite weapon types in Modern Warfare 3. There are a total of 21 ARs available, so it could be hard to choose the best. However, I mostly play with ARs as they are my go-to weapon, which is why it wasn’t hard for me to choose the best Assault Rifle in MW3.
Infantry Vest, Stalker Boots, Quick Grip Gloves, Bone Conduction Headset, and Munition Box.
Stun Grenade and Frag Grenade.
7
MTZ-556
30
90
Unlocks At Level 12.
Infantry Vest, Stalker Boots, Commando Gloves, Bone Conduction Headset, and Munition Box.
Battle Rage and Frag Grenade.
7- MTZ-556
Best Early Game MW3 Assault Rifle.
Why I chose this: Reliable option to start the journey in multiplayer mode.
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If you want a good assault rifle early on, then I would recommend getting MTZ-556. You would just have to reach level 12 in order to get the weapon, so there is not much grinding to do. With MTZ-556, it will become easier for you to level up to get better guns.
I have actually liked the weapon due to its high mobility and fire rate. The damage isn’t bad either, so with the right loadout and class setup, you will be able to have a great experience.
Why I chose this: Manageable recoil in mid-range as well.
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ISO Hemlock can be unlocked once you reach level 55, as an Unlock Challenge will be activated. All the stats of the gun are pretty good. Even if the gun is not as powerful as it was in MW2, it still can destroy enemies. I would recommend experiencing the mid-range combat with ISO Hemlock, as the handling and recoil control is pretty great.
For the best Assault Rifle attachments in MW3 for ISO Hemlock, check out my recommendation below:
Barrel: Fielder-T50
Underbarrel: SL Skeletal Vertical Grip
Rear Grip: XTEN Grip
Optic: Cronen Mini Pro
Muzzle: Colossus Suppressor
Below is the best class setup for ISO Hemlock:
Perks: Infantry Vest, Stalker Boots, Quick Grip Gloves, Bone Conduction Headset, and Munition Box.
Equipment: Stun Grenade and Frag Grenade.
User-friendly
Impressive recoil control
Can be used in mid-long-range engagements as well
Slower TTK
Low DPS
5- STB-556
Well-Balanced Assault Rifle
Why I chose this: Well-balanced stats that add versatility to the weapon.
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To get the STB-556, you would need to do a little grinding, as the unlock challenge for the weapon will activate at level 55. The recoil control of STB-556 is pretty good, so you won’t have much trouble with it in the mid-range battle. The handling, mobility, and damage are pretty good, too, which makes the weapon pretty balanced.
It is definitely among the best weapons in MW3, so if you are looking for a good, balanced weapon.
The following are the best Assault Rifle attachments in MW3 for STB-556:
Barrel: 18″ Bruen Guerilla
Underbarrel: FFS Sharkfin 90
Rear Grip: STIP-40 Grip
Laser: VLK LZR 7MW
Ammunition: 5.56 High Velocity
The following is the best class setup for STB-556:
A gun from Modern Warfare 2, Kastov-74U, is back in MW3, and I don’t think it has suffered any nerfs. The gun is as good as before, but it is not the best currently. That is mainly due to other good options available, or there could be some slight nerfs. Regardless, Kastov-74 U is one of the best weapons in MW3.
You can get it by leveling up the Kastov 545 to level 13. Kastov-74U is a pretty light weapon, and even in spite of that, the damage is pretty good. As the gun is pretty light, it can be great in close combat.
Below are my recommendations for the best Assault Rifle attachments for Kastov-74U:
Barrel: Shorttac 330mm
Underbarrel: Phase-3 Grip
Magazine: 45 Round Mag
Optic: Cronen Mini Pro
Ammunition: 5.45 High Velocity
Below is the best class setup for Kastov-74U:
Perks: EOD Padding, Running Sneakers, Overkill Vest, and Ordnance Gloves.
Equipment: Frag Grenade and Battle Rage.
Versatility in attachments
Good ADS
High Fire Rate
Only effective in close-range
Less versatile
3- SVA 545
Best Mid & Close Range Assault Rifle
Why I chose this: Dominant in quick mode matches.
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If you are looking for a weapon that is a beast in close-range combat, then you should give SVA 545 a try. I am really fascinated by its damage at close range, as it fires the first two rounds at almost the same time. The damage fire range, accuracy, mobility, recoil, and every other stat of the weapon is nearly perfect.
While the fire rate is extremely good, do keep in mind that after the first two rounds, it will drop slightly.
The following are my recommendations for the best Assault Rifle attachments for SVA 545:
Stock: FT TAC-Elite Stock
Muzzle: HMRES Mod Suppressor
Rear Grip: Demo-X2 Grip
Magazine: 45-Round Mag
Ammunition: 5.45 High Grain
The following is my take on the best class setup for SVA 545:
Perks: EOD Padding, Lightweight Boots, Infantry Vest, and Scavenger Gloves.
While many players consider MCW the best AR in MW3, I think there is one weapon that is better than it. MCW is arguably a beast and definitely one of the best weapons in MW3. You might remember it as ACR in Modern Warfare 2, so the weapon is almost the same.
It will be unlocked automatically at level 44. Fire rate, handling, and accuracy stand out the most as stats. With that said, the other stats are pretty good, too, making MCW a perfect AR in Modern Warfare 3.
Why I chose this: Very versatile and easy to master.
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Arguably, the most iconic and loved weapon in the whole Call of Duty franchise is the M4. I have ranked M4 as the best assault rifle in MW3 due to its great performance in close and mid-range combats. With a perfect loadout, things can’t go wrong with M4, so I would highly recommend you try it.
The best thing about M4 is that you can unlock it just at level 4. So, with just a few matches, you will reach the level and wield one of the best weapons in MW3.
The following is my take on the best Assault Rifle attachments for the M4:
While there are additional choices for the best AR in MW3 that you might consider, I prefer not to include them in my top 7 list because of personal preferences.
Holger 556: It has more damage, but has a slower rate of fire and higher recoil.
DG-58: This Assault rifle has heavy handling, as well as a limited rate of fire that can slow kill time.
TAQ-56: This gun performs admirably in medium-range encounters but falls short in both short and long-range fights.
FR Avancer: Even though the recoil pattern is easier for FR Avancer, it still has a lower damage rate and mediocre range.
M13B: Not the best option for players like myself, who prioritize mobility in their play style.
My Thoughts On The Best Assault Rifle
I think M4 and MCW are the best choices to go for in MW3.
Among all the Assault Rifles, the seven best are ranked according to their worth and my experience in MW3. I would recommend you to try them all. However, if you want to find the best one, just try the top 3 weapons.
Huzaifa Malik is a Guides Writer on eXputer who’s been playing FPS games like Call of Duty for as long as he can recall. He is one of the most seasoned COD players on eXputer. He has several years of experience writing for games. By following his passion for games, he chose eXputer as his hub to deliver information-rich articles. Feel free to get more familiar with Huzaifa on his gaming profiles on Steam.
Experience: 3+ years || Education: Bachelor in Architectural Engineering.
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