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Screengrab via Activision

The best assault rifles in Warzone

A good AR is essential to dominating BR.

Having the best weapon build on the field in Warzone means maximizing your chances at landing a victory and stacking up a fat kill number alongside it. Before you drop in, you need to know what weapon you’re rocking in battle royale, and for many, that means knowing the best assault rifle to use.

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A good assault rifle is essential to any BR player’s kit when it comes to chasing down victories with the squad. It’s far and away the best kind of weapon to use in battle royale for your primary slot.

Warzone’s roster of guns is massive, and it will only get bigger over time, so it’s important to know which weapons are worth leveling up, unlocking, and using in your loadout when it comes time to run from the gas circle and into enemy fire. A few simple attachments could spell the difference between winning and losing.

Here are the best assault rifles you can use in Warzone, along with a full set of attachments for each of them.

Best AR in Warzone season 5

S Tier

These are the cream of the crop, the top ARs to use when chasing down Ws in Warzone.

Tempus Razorback Warzone loadout

A screenshot of the best Tempus Razorback loadout in Warzone.
These attachments will serve you well. Screenshot by Dot Esports
  • Muzzle: Harbinger D20
  • Optic: AIM OP-V4
    • Aim Down Sight Speed: -3.00 oz
    • Far: -1.65 in
  • Underbarrel: FTAC Ripper 56
    • Recoil Stabilization: +0.75 in
    • Aiming Idle Stability: +0.40 in
  • Ammunition: 5.56 High Velocity
    • Recoil Smoothness: -0.70 g
    • Recoil Steadiness: -9.00 gr
  • Magazine: 45 Round Mag

Kastov 762 Warzone loadout

The Kastov 762 in the gunsmith screen.
Give the Kastov 762 a try. Screengrab via Activision
  • Muzzle: ZLR Talon 5
    • Recoil Smoothness: +1.40oz
    • Bullet Velocity: +1.00in
  • Barrel: Kas-10 584mm Barrel
    • Recoil Steadiness: +0.50lb
    • Aim Down Sight Speed: -0.40in
  • Optic: Aim OP-V4
    • Aim Down Sight Speed: -3.00oz
    • Far: -1.65in
  • Underbarrel: Phase-3 Grip
    • Recoil Stabilization: +0.80oz
    • Aiming Idle Stability: +0.40in
  • Magazine: 40 Round Mag

M13B Warzone loadout

The M13B in the gunsmith screen.
The M13B can deal some damage. Screengrab via Activision
  • Muzzle: Harbinger D20
    • Recoil Smoothness: +1.40oz
    • Bullet Velocity: +1.00in
  • Barrel: 14″ Bruen Echelon
    • Recoil Steadiness: +0.50lb
    • Aim Down Sight Speed: -0.40in
  • Optic: Aim OP-V4
    • Aim Down Sight Speed: -3.00oz
    • Far: -1.65in
  • Underbarrel: Phase-3 Grip
    • Recoil Stabilization: +0.80oz
    • Aiming Idle Stability: +0.40in
  • Magazine: 60 Round Mag

Related: The best sniper rifles in Warzone

A Tier

While not quite as good as the weapons above, these will still serve you well, though they’re not quite as popular as the S-tier weapons.

STB 556 Warzone loadout

The STB 556 in the gunsmith screen.
Have you tried this STB 556 loadout before? Screengrab via Activision
  • Barrel: Bruen Turaco 686mm
    • Recoil Steadiness: +0.50lb
    • Damage Range: +0.40in
  • Optic: AIM OP-V4
    • Aim Down Sight Speed: -3.00oz
    • Far: -1.65in
  • Underbarrel: VX Pineapple
    • Hip Recoil Control: +0.10oz
    • Aim Down Sight Speed: -0.40in
  • Ammunition: 5.56 High Velocity
    • Recoil Smoothness: -0.70g
    • Bullet Velocity: +9.00gr
  • Magazine: 42 Round Mag

ISO Hemlock Warzone loadout

The ISO Hemlock in the gunsmith screen.
Did someone order an ACR? Screengrab via Activision
  • Muzzle: Harbinger D20
    • Recoil Smoothness: +1.40 oz
    • Bullet Velocity: +1.00 in
  • Barrel: Fielder-T50
    • Recoil Steadiness: +0.50 lb
    • Aim Down Sight Speed: -0.40 in
  • Optic: AIM OP-V4
    • Aim Down Sight Speed: -3.00 oz
    • Far: -1.65 in
  • Ammunition: 5.56 High Velocity
  • Magazine: 45 Round Mag

Related: Best one-shot sniper loadouts in Warzone 2

FR Avancer Warzone loadout

A screenshot of the best FR Avancer loadout in Warzone.
It needs some good attachments to work. Screenshot by Dot Esports
  • Muzzle: XTEN Ported 290
    • Recoil Stabilization: +0.80 oz
    • Recoil Control: +0.35 in
  • Barrel: 600mm FR Longbore
    • Recoil Steadiness: +0.50 lb
    • Aim Down Sight Speed: -0.40 in
  • Optic: SZ Recharge-DX
    • Aim Down Sight Speed: -3.00 oz
    • Close: +1.80 in
  • Underbarrel: FTAC Ripper 56
    • Recoil Stabilization: +0.75 oz
    • Aiming Idle Stability: +0.40 in
  • Magazine: 60 Round Mag

M4 Warzone loadout

Optimal M4 build for mid-to-long range fights in Call of Duty Warzone.
The classic M4 is always reliable. Screengrab via Activision
  • Muzzle: Harbinger D20
    • Recoil Smoothness: +1.40oz
    • Bullet Velocity: +1.00in
  • Barrel: Hightower 20″ Barrel
    • Recoil Steadiness: +0.50lb
    • Aim Down Sight Speed: -0.40in
  • Optic: Aim OP-V4
    • Aim Down Sight Speed: -3.00oz
    • Far: -1.65in
  • Underbarrel: VX Pineapple
    • Recoil Control: +0.10oz
    • Aim Down Sight Speed: -0.40in
  • Magazine: 60 Round Mag

B Tier

These guns still see some usage, but you’re better off using the weapons in the S tier and A tier before you try these.

TAQ-56 Warzone loadout

The TAQ-56 in the gunsmith screen.
The TAQ-56 was once one of the stronger options in MW2. Screengrab via Activision
  • Muzzle: Harbinger D20
    • Recoil Smoothness: +1.40oz
    • Bullet Velocity: +1.00in
  • Barrel: 17.5″ Tundra Pro Barrel
    • Recoil Steadiness: +0.50lb
    • Aim Down Sight Speed: -0.40in
  • Optic: SZ Recharge-DX
    • Aim Down Sight Speed: -3.00oz
    • Close: +1.80in
  • Underbarrel: Phase-3 Grip
    • Recoil Stabilization: +0.80oz
    • Aiming Idle Stability: +0.40in
  • Magazine: 60 Round Mag

Chimera Warzone loadout

The Chimera in the gunsmith screen.
The Chimera might not be the go-to pick for everyone. Screengrab via Activision
  • Laser: VLK LZR 7MW
  • Stock: Ravage-8
  • Underbarrel: Phase-3 Grip
    • Recoil Stabilization: +0.80oz
    • Aiming Idle Stability: +0.40in
  • Ammunition: .300 BLK Armor Piercing
    • Recoil Smoothness: -0.70g
    • Recoil Steadiness: -9.00gr
  • Rear Grip: D37 Grip
    • Recoil Steadiness: +1.00oz
    • Sprint to Fire Speed: -0.45in

Lachmann-556 Warzone loadout

The Lachmann-556 in the gunsmith screen.
There are better options than the Lachmann-556. Screengrab via Activision
  • Muzzle: Harbinger D20
    • Recoil Smoothness: +1.40oz
    • Bullet Velocity: +1.00in
  • Barrel: 15.9″ Lachmann RAPP Barrel
    • Aim Down Sight Speed: -0.40in
    • Recoil Steadiness: +0.40lb
  • Optic: Aim OP-V4
    • Aim Down Sight Speed: -3.00oz
    • Far: -1.65in
  • Underbarrel: Phase-3 Grip
    • Recoil Stabilization: +0.80oz
    • Aiming Idle Stability: +0.40in
  • Magazine: 60-Round Mag

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Author
Image of Scott Duwe
Scott Duwe
Senior Staff Writer & Call of Duty lead. Professional writer for over 10 years. Lover of all things Marvel, Destiny 2, Metal Gear, Final Fantasy, Resident Evil, and more. Previous bylines include PC Gamer, Red Bull Esports, Fanbyte, and Esports Nation. DogDad to corgis Yogi and Mickey, sports fan (NY Yankees, NY Jets, NY Rangers, NY Knicks), Paramore fanatic, cardio enthusiast.