The action stays hot in Call of Duty: Modern Warfare 3 Season 1. The latest Reloaded update ushers in a variety of impactful changes across Warzone and multiplayer, including weapon tuning adjustments, Gulag enhancements, map improvements, and scores of bug fixes.
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Call of Duty MW3 Patch Notes Season 1 Reloaded: Warzone Weapon Changes
Extensive buffs and nerfs across multiple weapon categories to shake up the meta. Here are all the weapon changes in Warzone for Call of Duty MW3 Season 1 Reloaded.

Holger 556
- Max Damage increased to 35, up from 32
 

M13B
- Max Damage increased to 28, up from 24
 - Near-mid damage increased to 24, up from 20
 - 16.5” MCW Cyclone Long Barrel
- Damage range benefits reduced by 6%
 - Velocity benefits reduced by 7%
 - Hip fire and tac-stance penalty reduced by 5%
 - Sprint to Fire penalty increased by 1%
 
 - RB Regal Heavy Stock
- Gun kick benefit reduced by 11%
 - Horizontal and vertical benefits reduced by 5%
 - Mobility penalties increased by 3%
 - Sprint to Fire penalty increased by 1%
 
 
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MTZ 762
- Max Damage reduced to 42, down from 45
 - Near-mid damage was reduced to 38, down from 42
 - Min Damage reduced to 34, down from 37
 

Bruen MK9
- Max Damage reduced to 28, down from 32
 - Min Damage reduced to 26, down from 28
 

DG LSW
- Max Damage reduced to 29, down from 33
 - Min Damage reduced to 27, down from 29
 
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Puleymont AMP
- Max Damage reduced to 38, down from 40
 - Min Damage reduced to 34, down from 36
 

TAQ Eradicator
- Max Damage reduced to 28, down from 33
 - Min Damage reduced to 24, down from 25
 

AMR9
- Max Damage increased to 31, up from 28
 - Near-mid damage increased to 27, up from 25
 - Min Damage increased to 25, up from 23
 
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ISO 9mm
- Max Damage reduced to 21, down from 24
 - Near-mid damage reduced to 17, down from 19
 - Mid Damage reduced to 15, down from 16
 - Far-mid damage was reduced to 12, down from 13
 

Rival-9
- Slight reduction in horizontal recoil
 - MTZ Marauder Stock
- Fire aim stability benefit reduced by 5%
 
 

Striker 9
- Near-Mid Damage increased to 27, up from 25
 - Min Damage increased to 23, up from 20
 
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KATT-AMR
- ZANG-34 Barrel
- Damage Range Benefits reduced by 9%
 - Velocity Benefit reduced by 8%
 
 
Call of Duty MW3 Patch Notes Season 1 Reloaded: Warzone Attachment Changes
Ammunition
- .50 Cal Spire Point Rounds
- Damage Range Benefit increased by 2%
 - Velocity Benefit reduced by 19%
 
 
- .410 Gauge Dragon's Breath
- Near-Mid Damage Range reduced by 12%
 - Mid Damage Range reduced by 10%
 
 
- 12 Gauge Dragon's Breath
- Near-Mid Damage Range reduced by 8%
 - Mid Damage Range reduced by 10%
 
 
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Laser
- SL Razorhawk Laser Light
- Increased ADS Speed Benefit by 4.5%
 - Increased Sprint to Fire Benefit by 7%
 
 
- FSS OLE-V Laser
- Reduced the ADS Speed Benefit by 2%
 - Reduced the Sprint to Fire Benefit by 4%
 
 
- FTAC Grimline Laser
- Reduced the Sprint to Fire Benefit by 7%
 
 
- Verdant Hook Box Laser
- Increased the Sprint to Fire Benefit by 3%
 
 
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Muzzle
- XRK Nightfall Suppressor
- Damage Range Benefit reduced by 5.5%
 - Velocity Benefit reduced by 8%
 - Recoil Benefit reduced by 3%
 - ADS Penalty increased by 7%
 - Sprint to Fire Penalty increased by 3%
 
 
Note: Find all QoL and bug fixes in Call of Duty MW3 Season 1 Reloaded patch notes here.
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