Modern Warfare 4 Open Beta Day 1 Patch Notes

Aug 28, 2026

Buffs2

Nerfs15

SIGNAL 50

SNIPER RIFLE
SIGNAL 50
  • Mid-range distance
    −2%
  • Location Damage Multiplier
    −26%

KASTOV 762

ASSAULT RIFLE
KASTOV 762
  • Close-range damage
    −12%
  • Mid-range damage
    −17%
  • Long-range damage
    −9%
  • Mid-range distance
    −2%
  • Location Damage Multiplier
    −1%
  • Close-range distance
    +9%

HAN 86

ASSAULT RIFLE
HAN 86
  • Close-range damage
    −15%
  • Location Damage Multiplier
    −9%
  • Location Damage Multiplier
    −9%
  • Close-range distance
    +21%

M4

ASSAULT RIFLE
M4
  • Close-range damage
    −14%
  • Long-range damage
    +19%
  • Close-range distance
    +30%

HYEON BURST

ASSAULT RIFLE
HYEON BURST
  • Close-range damage
    −17%
  • Mid-range damage
    −23%
  • Long-range damage
    −21%
  • Close-range distance
    −3%
  • Headshot Multiplier
    −7%
  • Close-range distance
    −16%
  • Mid-range distance
    −12%
  • Mid-range distance
    +2%

PARTRIOT XMR

ASSAULT RIFLE
PARTRIOT XMR
  • Close-range damage
    −14%
  • Mid-range damage
    −23%
  • Long-range damage
    −8%
  • Inflicted Flinch
    Increased received Flinch by 17%
  • Close-range distance
    +35%
  • Mid-range distance
    +9%
  • Headshot Multiplier
    +7%

ORIS 8.6

MARKSMAN RIFLE
ORIS 8.6
  • Mid-range distance
    −3%

MAR-9

MARKSMAN RIFLE
MAR-9
  • Close-range damage
    −19%
  • Mid-range damage
    −12%
  • Mid-range damage
    −14%
  • Long-range damage
    −5%
  • Close-range distance
    −9%
  • Mid-range distance
    −27%
  • Long-range distance
    −44%
  • Headshot Multiplier
    −2%
  • Mid-range distance
    −11%
  • Long-range distance
    −11%
  • Headshot Multiplier
    −16%
  • Location Damage Multiplier
    +10%
  • Close-range distance
    +2%

FINN LMG

LMG
FINN LMG
  • Close-range damage
    −31%
  • Mid-range damage
    −21%
  • Long-range damage
    −20%
  • Location Damage Multiplier
    −9%
  • Close-range distance
    −41%
  • Mid-range distance
    −15%
  • Long-range distance
    −15%
  • Long-range damage
    +8%
  • Close-range distance
    +8%
  • Mid-range distance
    +1%
  • Long-range distance
    +1%

TYPE 73

LMG
TYPE 73
  • Close-range damage
    −7%
  • Close-range damage
    −9%Apex Attachment
  • Mid-range damage
    −19%
  • Mid-range damage
    −20%Apex Attachment
  • Long-range damage
    −14%
  • Long-range damage
    −8%Apex Attachment
  • Close-range distance
    −2%
  • Mid-range distance
    −6%
  • Long-range distance
    −6%
  • Headshot Multiplier
    −4%
  • Location Damage Multiplier
    −9%

.50 GS

PISTOL
.50 GS
  • Mid-range damage
    −16%
  • Mid-range distance
    −15%
  • Long-range distance
    −16%
  • Headshot Multiplier
    −7%
  • Location Damage Multiplier
  • Close-range distance
    +26%

PPSH-41

SMG
PPSH-41
  • Close-range damage
    −14%
  • Mid-range damage
    −12%
  • Mid-range damage
    −13%
  • Long-range damage
    +9%
  • Mid-range distance
    +19%
  • Mid-range distance
    +21%

ISO NIGHTSHADE

SMG
ISO NIGHTSHADE
  • Close-range damage
    −13%
  • Mid-range damage
    −11%
  • Mid-range distance
    +3%
  • Mid-range distance
    +2%
  • Headshot Multiplier
    +4%

X-58 NYX

SMG
X-58 NYX
  • Close-range damage
    −24%
  • Mid-range damage
    −18%
  • Mid-range damage
    −17%
  • Long-range damage
    −7%
  • Mid-range distance
    −2%
  • Close-range distance
    +6%
  • Mid-range distance
    +2%
  • Headshot Multiplier
    +4%

REZI 12

SHOTGUN
REZI 12
  • Close-range damage
    −1%REZI Slug Ammo
  • Close-range damage
    −1%REZI Slug Ammo
  • Long-range damage
    −13%REZI Slug Ammo
  • Long-range damage
    −13%REZI Slug Ammo
  • Mid-range distance
    −11%
  • Mid-range distance
    −7%
  • Long-range distance
    −4%
  • Mid-range distance
    −15%REZI Slug Ammo
  • Long-range distance
    −31%REZI Slug Ammo
  • Location Damage Multiplier
    −8%REZI Slug Ammo
  • Close-range distance
    −12%REZI Slug Ammo
  • Mid-range distance
    −18%REZI Slug Ammo
  • Long-range distance
    −54%REZI Slug Ammo
  • Close-range distance
    +12%REZI Slug Ammo
  • Mid-range distance
    +6%REZI Slug Ammo
  • Headshot Multiplier
    +7%REZI Slug Ammo
  • Location Damage Multiplier
    +20%REZI Slug Ammo
  • Location Damage Multiplier
    +43%REZI Slug Ammo