Best C9 10mm Auto 30-Round Mags Loadout in Black Ops 6 &…

Black Ops 6 and Warzone have seen plenty of unique content drops, featuring brand-new weapons, battlegrounds, and major gameplay shifts like omnimovement. However, with Season 3, the spotlight has shifted toward nostalgic updates, bringing back fan-favorite additions that longtime players may recognise.

While the main highlight for Season 3 is Verdansk’s return to Warzone, both titles have also introduced a surprising number of weapon updates. Among these is the debut of a classic MP5 attachment, the C9 10mm Auto 30-Round Mags, first seen back in Modern Warfare. Here’s the best 10mm C9 loadout to run in both Black Ops 6 and Warzone.

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By Nathan Round

Best C9 10mm Auto 30-Round Mags Loadout For Black Ops 6 Multiplayer

Best C9 10mm Auto 30-Round Mags Black Ops 6 Build

This first build for the C9 aims to bring back the classic feel of the 10mm MP5 from Modern Warfare, this time keeping it up to speed to compete in fast-paced Multiplayer. This build focuses on minimizing recoil, providing the weapon with a faster time-to-kill than its base variant, while also boosting its effective damage range—at the cost of only holding 30 rounds per magazine. It may not be the most meta Submachine Gun in the game, but it’s definitely a great build to try out.

Recommended Attachments:

- Compensator (Muzzle)
- Long Barrel (Barrel)
- Ranger Foregrip (Underbarrel)
- C9 10mm Auto 30-Round Mags (Magazine)
- Commando Grip (Rear Grip)
- No Stock (Stock)
- Recoil Springs (Fire Mods)

Not a fan of the default Iron Sights for the C9? Then be sure to equip an Optic.

Best Black Ops 6 Perk Package & Wildcard

best Assault Rifle Perk Package for Black Ops 6 Season 3

The absolute best Perks for a run-and-gun weapon like the C9 center around an Enforcer setup, focusing heavily on maximizing movement speed, reducing sprint-to-fire time, and allowing players to replenish ammo to make securing Scorestreaks easier. For the best Perks and Wildcard options to run alongside the 10mm C9 setup, try the following:

- Scavenger (Perk 1)
- Hunter's Instincts (Perk 2)
- Slip Stream (Perk 3)
- Enforcer (Combat Specialty)
- Gunfighter (Wildcard)

Recommended Secondary For Black Ops 6

When it comes to a solid secondary weapon in Black Ops 6, there are a few options to choose from. For full-auto enjoyers, the Grekhova is still a solid option, putting out great damage at close range, along with serving as an excellent Handgun. The Sirin 9mm is also a great pick, acting more as a pocket SMG with a slower rate of fire but decent damage. As for semi-auto options, the Stryder.22 still remains the top choice for its fast fire rate and excellent stopping power.

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By Nathan Round

Best C9 10mm Auto 30-Round Mags Loadout For Warzone

Best C9 10mm Auto 30-Round Mags Warzone Build

Next up is a five-attachment build designed to give players a classic 10mm MP5 feel for Warzone, allowing them to run the C9 alongside a second primary weapon. This build, just like its Multiplayer counterpart, boasts a better time-to-kill than the base C9, along with improved damage range for slightly more versatility at longer distances. As a result, players are granted a solid Sniper support option or an excellent Submachine Gun to pair with an Assault Rifle. However, it is once again limited by its 30-round magazine.

Recommended Attachments:

Compensator (Muzzle)
Long Barrel (Barrel)
Vertical Foregrip (Underbarrel)
C9 10mm Auto 30-Round Mags (Magazine)
Commando Grip (Rear Grip)

Best Warzone Perk Package & Wildcard

Best mobility Perk Package in Warzone Season 3

The meta Perk Package and Wildcard options for Warzone remain largely unchanged for Season 3, encouraging players to focus on boosting their movement speed, reducing fall damage for aggressive plays, and enabling the ability to run an additional primary weapon in their setup. For the best Perks and Wildcard to pair with the C9, run the following:

Mountaineer (Perk 1)
Sprinter (Perk 2)
Resolute (Perk 3)
Overkill (Wildcard)

Recommended Secondary For Warzone

When it comes to an excellent weapon to pair with our 10mm C9 build in Warzone, two weapon categories stand out. The first is the Assault Rifle category, providing players with two excellent full-auto weapons to wield—one up close and the other from afar. As of right now, the CR-56 AMAX is the top Assault Rifle to use in Warzone, but other great contenders include the Kilo 141 and the Grau conversion for the SWAT 5.56.

Alternatively, the C9 can serve as an excellent Sniper support option, laying waste to players up close while allowing players to keep themselves covered at a distance with their rifle. The absolute best Sniper Rifle currently is the HDR, offering an infinite headshot range along with fairly decent handling attributes. Other great options include the Kar98k and the LW3A1 Frostline, both of which are more tailored for mid-range Sniper encounters—perfect for Resurgence.