The HRM-9 stands as the latest addition to the submachine-gun arsenal in Modern Warfare 3, and there are indications that may it be overpowered.

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Through research, we’ve identified the best HRM-9 loadout in the game with the optimal combination of attachments for this weapon.

The new SMG boasts several advantageous features, and many players have found the HRM-9 to be exceptionally effective in the game thus far.

The absolute best HRM-9 loadout to shred in MW3

HRM-9 SMG claimed via trhe MW3 Battle Pass
Credit: Activision

Let’s dive into which attachments make the HRM-9 a truly overpowered weapon.

Starting with the PCS-90 Assault Grip to enhance the HRM-9’s performance, this attachment helps effectively managing gun kick control and recoil. This ensures better control during bursts and sprays with the submachine gun.

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Combine this with the Folding Stock for enhanced recoil control and improved fire aim stability.

You can extend your range for long engagements by attaching the Princeps Long Barrel, boosting bullet velocity, range, aim idle sway, and firing stability.

Add in the Kimura RYN-03 Vertical Grip as the underbarrel attachment to further enhance gun kick control, vertical recoil, aim idle sway, and overall stability.

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Finally, you can optimize stealth capabilities with a carefully chosen Shadowstrike Suppressor muzzle attachment.

Best HRM-9 loadout in Modern Warfare 3 Season 1

MuzzleShadowstrike Suppressor
BarrelPrinceps Long Barrel
UnderbarrelKimura RYN-03 Vertical Grip
StockFolding Stock
Rear GripPCS-90 Assault Grip

For the handgun, you can choose the COR-45 and convert it into a mini submachine gun. For that, we need to use the XRK IP-V2 Conversion Kit. Here are the attachments for COR-45:

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  • Underbarrel: SL Skeletal Vertical Grip
  • Muzzle: Colossus Suppressor XS
  • Stock: XRK Dynamic Precision stock.

That covers the best loadout for the HRM-9 in the Call of Duty MW3 Season 1 Reloaded meta. If you’re looking for how you can unlock the powerful SMG, check out our guide here.

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