Best Kastov LSW Build In MW3

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  • How to unlock Kastov LSW

Call of Duty: Modern Warfare 3 added two new weapons in Season 6, the LMG and the Battle Rifle. The former weapon, the Kastov LSW, is arguably the most powerful LMG in the game for aggressive playstyles. It has the best tactical stance accuracy of any LMG, making this a CQC monster with the right accessories.



With some unique mounting options, you can make the Kast LSW the perfect run-and-gun weapon for multiplayer and Warzone. Let's walk through how to unlock this weapon and showcase some of the best LSW accessory combos to improve the accuracy and mobility of this weapon's tactical stance.

Updated on September 24, 2024 by Charles Burgar: Kastov LSW's remarkable underbarrel grip, the Bracefire-HC Grip, caught a massive nerve in Season 6. You can no longer use Tac Stance with this headstock equipped, which fundamentally changes the way you build Kast's LSW. We've updated this guide with a more accurate build to compensate for recent changes.


How to unlock Kastov LSW

Modern Warfare 3 Kastov LSW Battle Pass Preview


LSW casts can be unlocked using Battle Pass Season 6. You can find this weapon in Sector 09, which will take approx 20 Battle Pass Tokens reach from the starting point. Battle Pass Tokens are unlocked by gaining experience in MW3, which can be from any main playlist (MP, Warzone, and MWZ).

Best LSW Cast build

Compilation of LSW Castes
Appendix Pros and cons
Bombast T54 Short Barrel
  • +Hipfire and Tac Stance Spread
  • + Crosshair aiming speed
  • + Movement speed
  • +Sprint to fire rate
  • – Recoil control
  • – Weapon kick control
Quartermaster suppressor (muzzle)
  • Undetectable by radar
  • +Controlling a bunch of weapons
  • +Recoil control
  • – Aim down speed
  • -Sprint at the speed of fire
Bracefire-HC Grip (Underbarrel)
  • + Movement speed
  • +Hipfire and Tac Stance Spread
  • + ADS speed
Grip Weave-L7 (back grip)
  • +Controlling a bunch of weapons
  • +Recoil control
Wide angle warehouse (in stock)
  • + Crosshair aiming speed
  • +Sprint to fire rate
  • +Aiming Idle Sway
  • + Movement speed
  • – Weapon kick control
  • – Recoil control


Kastov's unique LSW bottom extension, the Bracefire-HC Grip, allows you to create absurd attack speeds at the cost of ADS accuracy. You cannot build for Tac Stance with this attachmentso you'll have to focus a lot on close range firefights. We do this through Bombast T54 short barrel and Broadside Stockwhich greatly improves weapon handling stats.

Since we can't adjust accuracy directly, we use our remaining attachments to reduce the gun's recoil. The Quartermaster Suppressor and Weave-L7 Grip soften your recoil enough to make short-range hits fairly consistent.

Load recommendation

Advantages
Vest Compression plate
Glove Commando gloves
Boots Stalker boots
Gear Spirit
Device
Secondary Preference
Deadly Preference


With such a high transfer rate, ADS is good to use Stalker boots on this construction. With these boots equipped, you will attack significantly faster. We pair this with Compression carrier Vest to get Tac Mask and Compression Plate for free, two S-tier perks for aggressive playstyles. Go ahead Spirit stay off enemy radar and Commando gloves to reduce high weapon lag when sprinting to fire.

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