The third season of Call of Duty: Modern Warfare 3 adds three new DLC weapons in the battle pass and makes weapon-balancing changes, meaning you'll likely want to adjust your loadouts for this new season. Here we recommend some of the best weapon builds for your next match of multiplayer, and you can find recommended Warzone loadouts for Season 3 here.

SVA 545

The SVA 545 is one of the most powerful assault rifles in Season 3. The recommended attachments will help provide better range, bullet velocity, and minimize the gun's recoil.

Recommended SVA 545 attachments:

• Muzzle: T51R Billeted Brake L
• Barrel: STV Precision Barrel
• Optic: JAK Glassless Optic
• Stock: Mane V6 Stock
• Underbarrel: Bruen Heavy Support Grip

BP50

The BP50 is another powerful assault rifle to use in multiplayer. The recommended attachments will help cut back on the BP50's recoil, making it much easier to handle.

Recommended BP50 attachments:

• Muzzle: Shadowstrike Suppressor
• Barrel: Lore-9 Heavy Barrel
• Stock: MOAT-40 Stock
• Rear Grip: TRST-IV Grip Tape
• Underbarrel: XTEN Phantom-5 Handstop

SOA Subverter

With major nerfs to the Bas-B's fire rate, Season 2's SOA Subverter is the best battle rifle in Season 3. This gun has a fast time-to-kill, and the recommended attachments will help you cut down on recoil and boost the ammo count.

Recommended SOS Subverter attachments:

• Muzzle: Shadowstrike Suppressor
• Optic: JAK Glassless Optic
• Stock: HRT-L0 Precision Stock
• Magazine: 50 Round Drum
• Underbarrel: DR-6 Handstop

AMR9

The AMR9 submachine gun was heavily nerfed in Warzone, but the gun was buffed in multiplayer to have a much better sprint-to-fire time. This makes the already powerful submachine gun an even better option for close-range fights in multiplayer for Season 3.

Recommended AMR9 attachments:

• Barrel: Tectonic Micro Integral Suppressor
• Optic: JAK Glassless Optic
• Stock: Wolfhound Carbine Stock
• Magazine: 100 Round Drum
• Underbarrel: XTEN Phantom-5 Handstop

FJX Horus

Season 3's new FJX Horus is a solid submachine gun option for multiplayer, especially after the recent nerf to the WSP Swarm. The recommended attachments can better help you manage the recoil and boost the ammo count.

Recommended FJX Horus attachments:

• Muzzle: Zehmn35 Compensated Flash Hider
• Barrel: Martis Heavy Barrel
• Optic: Slate Reflector or JAK Glassless Optic
• Stock: Lopper LX-D Stock
• Magazine: 48 Round Mag

Lockwood 680

If you're someone looking to have fun with overpowered shotguns and annoy every opponent in your lobbies, here's a one-shot build of the Lockwood 680. The recommended attachments help increase your movement and give a significant boost to bullet velocity and range.

Recommended Lockwood 680 attachments:

• Muzzle: Bryson Choke
• Barrel: Bryson Hammerforged Long Barrel
• Laser: Kimura RYL33 Laser Light
• Stock: Sawed Off Mod
• Bolt: Express Light Bolt

MORS

Season 3 adds the MORS sniper rifle from Call of Duty: Advanced Warfare, and this is a powerful one-shot sniper. The recommended attachments will help increase mobility, and the suggested ammo will allow you to score a one-shot kill to any part of the body.

Recommended MORS attachments:

• Laser: FSS OLE-V Laser
• Optic: MORS Dot Sight
• Superlite-90 Stock
• Bolt: Quick Bolt
• Ammunition: HVP Anti-Material Slug