MW3: Best Sidewinder Loadout & Class Setup

I have spent over 100+ hours playing MW3 and have found the perfect attachments and class setup for Sidewinder.

Sidewinder is a great Battle Rifle in MW3, but due to a significant recoil, it takes a backseat. However, the beauty of this weapon is that it can be customized according to your play style by equipping it with the appropriate attachments. By following this guide, you can achieve the best Sidewinder loadout and class setup to get a satisfactory result.

Key Takeaways
  • Sidewinder is one of the best Battle Rifle in MW3.
  • You can unlock Sidewinder by reaching level 25 and completing its Armory Challenge.
  • Sidewinder is a versatile weapon suitable for both close and mid-range combat, but can also be effectively used for long-range attacks with the right attachments.
  • You must focus on controlling recoil while equipping the best attachments for Sidewinder.
  • The class setup provides you with mobility and explosive resistance.

Best Sidewinder Loadout In MW3

Sidewinder [Image By Me]
To create the best Sidewinder loadout and class setup, equip the following best attachments, equipment, and perks:

Serial No. CategoryAttachment /EquipmentDetails
1BarrelRattleback Deadeye 16" BarrelIncrease Gun Kick Control by two points.
Increase Recoil Control by two points.
Increase Bullet Velocity & Range and Aiming Idle Sway by one point each.
2OpticSlate ReflectorA dot sight with a clean and clear sight picture for snappy target acquisition.
3StockRB Regal Heavy StockImproves Aiming Idle Sway, Gun Kick Control and Firing Aim Stability.
4Rear GripRB Borealis GripImproves Recoil Control.
5Under BarrelKimura Ryn-03 Vertical GripIncrease Vertical Recoil Control.
6Secondary WeaponRenettiA burst-fire pistol with a staggering fire rate and controllability.
7VestInfantry VestIncreases Tac Sprint duration and reduces refresh time.
8Tactical EquipmentStun GrenadeSlow victim's movement and aiming.
9Lethal EquipmentSemtexTimed Sticky Grenade.
10Field UpgradePortable RadarEmits a periodic radar ping to detect nearby enemies.
11GlovesScavenger GlovesResupply ammos and throwing knives from dead players.
12BootsStalker BootsIncreased strafe and ADS movement speed.
13GearEOD PaddingReduces damage from non-killstreak explosives and fires.

Best Attachments

mw3 sidewinder
Best Sidewinder Attachments [Image By Me]
Here are the best attachments that you can equip to have the best loadout of Sidewinder in MW3:

  • Barrel: Rattleback Deadeye 16″ Barrel
  • Optic: Slate Reflector
  • Stock: RB Regal Heavy Stock
  • Rear Grip: RB Borealis Grip
  • Under Barrel: Kimura Ryn-03 Vertical Grip
  • Improved Movement Speed
  • Sprint to Fire Speed
  • Better Hip Fire Accuracy
  • High Muzzle Velocity
  • Horizontal Recoil Control
  • Aiming Stability over long range
  • Aim Down Sight Speed
  • Aim Walking Speed

To create the best Sidewinder loadout, I started with the Rattleback Deadeye 16″ Barrel. This attachment provides several benefits, such as improved gun kick control, a significant boost to recoil control, bullet velocity, and range. It makes your weapon easier to handle and control. When it comes to optics, personal preference plays a major role. However, I prefer the Slate Reflector due to its early unlock availability and clear sight picture.

The RB Regal Heavy Stock is also a valuable addition since it helps with aiming idle sway, gun kick control, and firing aim stability. Additionally, the Kimura Ryn-03 Vertical Grip aids vertical recoil control, aiming for auto sway and firing stability. This attachment further strengthens the Sidewinder’s dominance.

Class Setup

sidewinder best class
Best Sidewinder Class Setup [Image By Me]
Here are the best perks and equipment that you can equip to have the best class setup for Sidewinder loadout in MW3:

  • Secondary Weapon: Renetti Pistol
  • Tactical Equipment: Stun Grenade
  • Lethal Equipment: Semtex
  • Field Upgrade: Portable Radar
  • Gloves: Scavenger Gloves
  • Boots: Stalker Boots
  • Gear: EOD Padding
  • Vest: Infantry Vest

When it comes to choosing a secondary weapon alongside the Sidewinder Battle Rifle, the Renetti Pistol is considered the best option. You can switch to the Renetti Pistol during close combat situations to take down enemies.

  • Additionally, using a Stun Grenade can help slow down your enemies’ movement and distort their vision, giving you an advantage.
  • For Lethal Equipment, I prefer the Semtex, especially in close-range and intense fights.
  • Equip the Portable Radar as your Field Upgrade and get to know about the enemies near you.
  • Scavenger Gloves become essential, enabling you to collect ammo from dead enemies and even retrieve throwing knives.
  • Stalker Boots provides you with an increased strafe, and you will also notice improved ADS movement speed. 
  • The EOD Padding in MW3 is designed to minimize explosive damage by providing an extra layer of protection.
  • The Infantry Vest is considered one of the best vests in the game as it enhances the Tactical Speed Duration while reducing its refresh time. This vest primarily focuses on improving overall mobility.

My Opinion On The Sidewinder

Huzaifa Malik Steam Profile
My Steam Profile

Having played MW3 for over 100 hours, I have found that the loadout I presented in the guide for the Sidewinder provides an effective solution to counter the significant recoil challenges. As a Battle Rifle, the Sidewinder is great for mid and long-range combats. However, the inclusion of the Renetti Pistol offers versatility in close combat, and strategic use of Stun Grenades and Semtex can add a tactical edge to engagements.

Overall, this Sidewinder loadout not only addresses recoil issues but also maximizes the weapon’s potential across diverse combat scenarios, making it an appealing choice for MW3 players.

This is all you need to know about the best Sidewinder loadout in Modern Warfare 3. While you are at it, you should also read the guide on Best M4 Loadout and Class Setup in MW3

Furthermore, if you want stunning camos for your weapons, read the guide on How To Unlock The Interstellar Camo, considered one of the best in MW3. Also, read the guide on How To Unlock The Royalty Tiger Camo and get yourself a glowing and eye-catching camo for your weapons.

Also, consider reading the review of MW3 by Huzaifa Durrani.


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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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