: Introduced as a new prototype bullpup assault rifle.
The update corresponding to the versioning (often simplified as update 1.43) is the Season 3 Reloaded patch for Call of Duty: Modern Warfare III call of duty modern warfare 3 14382 patch new
Perhaps the most controversial change is the massive buff to the battle rifle. The 14382 patch increases its bullet velocity by 35% and reduces visual recoil by 40%. The Sidewinder is now a 2-shot kill up to 25 meters. Expect this weapon to skyrocket into the "Meta" tier by Friday. : Introduced as a new prototype bullpup assault rifle
: The BAL-27 Battle Rifle returned as a DLC weapon, featuring a unique firing mechanic where the first four shots are slower but highly accurate before the fire rate increases. The Sidewinder is now a 2-shot kill up to 25 meters
For users looking for the substantial (often cited in patch history), that version was the Season 3 Reloaded update from mid-2024. It was a significantly larger title update compared to the recent 2026 maintenance patch. New Maps: Introduced the Grime and Checkpoint maps.
Beyond gunplay, patch 1.4.382 targets infrastructural code to clean up matchmaking stability. Lag Compensation and Matchmaking
The headline feature of the is aggressive weapon tuning. For the last four weeks, the multiplayer lobbies have been dominated exclusively by the MCW 6.8 battle rifle and the WSP Swarm SMG. The new patch breaks that stranglehold.