10 Best Loadouts in Modern Warfare 3

• Muzzle - FTAC Castle Comp
• Barrel -16.5" MCW Cyclone Long Barrel
• Underbarrel - Bruen Heavy Support Grip
• Optic - MK. 3 Reflector
• Stock - RB Regal Heavy Stock

The combination of these attachments stabilizes the gun, making it shoot straight with less recoil. This means your shots are more likely to hit where you aim, especially at longer distances.

• Muzzle - Lacerta Compensator
• Barrel - WSP Reckless-90 Long Barrel
• Magazine - 50 Round Mag
• Optic - MK. 3 Reflector
  
• Stock - FSS Fortress Heavy Stock

WSP SWARM is the fastest killing gun outside of a shothun.This setup boosts the SMG's range and accuracy and keeps its mobility, allowing you to hit targets further away. The larger magazine means you can keep firing longer before reloading, great for fast-paced skirmishes.

• Muzzle - XTEN Ported 290
• Barrel - DG-56 LS18 Barrel
• Underbarrel - FTAC SP-10 Angled Grip
• Optic - MK. 3 Reflector
• Comb - Warrent Control Comb

With this setup you can 1-tap burst targets in close to medium range. DG-58 becomes more precise and easier to control, making each burst of shots accurate. Fast aiming speed helps you react quickly in combat.

• Muzzle - Lacerta Compensator
• Underbarrel - FTAC SP-10 Angled Grip
• Magazine - 40 Round Mag
• Rear Grip - Rival Vice Assault Grip 
• Stock - EXF Close Quaters Assault Stock

These attachments make the SMG perfect for close combat to medium range. They control the gun's shake and help you move quickly, letting you react faster than your enemies.

• Muzzle - Komodo Heavy
• Barrel - MTZ Clinch Pro Barrel
• Underbarrel - FTAC SP-10 Angled Grip
• Optic - MK. 3 Reflector
• Stock - MTZ Marauder Stock

MTZ-556 is a great all-rounder weapon for all ranges.This loadout minimizes the gun's sideways recoil movement when firing, making your shots more consistent. The barrel and muzzle attachments help keep your aim steady.

• Barrel - Striker Recon Long Barrel 
• Underbarrel - FTAC SP-10 Angled Grip
• Optic - MK. 3 Reflector
• Magazine - 40 Round Mag
• Rear Grip - Sakin ZX Grip

This gun is great if you want to play aggressive. These attachments extend the effective range of the SMG, allowing you to hit targets from further away. They also help control the gun's recoil, making it easier to keep your aim on target.

• Magazine - 75 Round Belt
• Optic - MK. 3 Reflector
• Stock - Command D-15 Recoil Reduction Pad
• Conversion Kit - Jak Annihilator Bullpup Kit
• Rear Grip - Ivanov ST-70 Grip

This setup transforms the LMG into a faster, more agile weapon. It increases your movement speed, making you a harder target to hit. The large magazine allows for prolonged firing without reloading.

• Barrel - MLX Short Competition Barrel
• Laser - Series 710 Pistol Laser
• Ammunition - 9MM High Velocity
• Trigger Action - Bruen MG89 Trigger
• Rear Grip - Renetti Wood Grain Grip

These attachments make the pistol quick to draw and fire, with a fast rate of fire. This makes it an excellent choice for close encounters or as a backup when you run out of ammo in your primary weapon.

• Laser - FSS OLE-V Laser
• Ammunition - 7.62X39MM High Grain Rounds
• Magazine - 10 Round Mag
• Rear Grip - Demo 650 Grip
• Stock - No Stock

This loadout makes the sniper rifle quick to aim and shoot, ideal for quick-scoping. The high grain ammo increase your chances of a one-shot chest and head kills.

• Muzzle - Bryson Choke
• Barrel - Lockwood Defender Heavy Long Barrel
• Guard - Matuzek Xray Skeletonized Guard
• Stock - Sawed Off Mod 
• Bolt - Express Light Bolt 

These attachments tighten the shotgun's spread, making it more effective at a slightly longer range than typical shotguns. The modifications also speed up aiming and firing, useful for fast-paced close combat.