Call of Duty Black Ops 6 (BO6)

How to Unlock 5.56 NATO Overpressured

5.56 NATO Overpressured is a Fire Mod attachment in Call of Duty Black Ops 6 (BO6). Read on to learn how to unlock 5.56 NATO Overpressured, as well as its compatible guns, attachment info, and stats.

How to Unlock 5.56 NATO Overpressured

Level Up Compatible Guns in Multiplayer or Zombies

To unlock the 5.56 NATO Overpressured attachment, level up its compatible guns (shown below) in either Multiplayer or Zombies.

Gun Gun Type How to Unlock
SWAT 5.56SWAT 5.56 Marksman Rifle Raise the SWAT 5.56 to Level 17.

5.56 NATO Overpressured Attachment Info and Stats

5.56 NATO Overpressured Overview
Type Fire Mod
Pros
Positive EffectBulllet Velocity
Cons None
Attachment Description
Hot rounds that produce a higher than standard internal pressure to improve bullet velocity.

Black Ops 6 (BO6) Related Guides

Fire Mods

List of All Fire Mods

All Attachment Types

Attachments by Type
Barrels Combs Fire Mods Lasers
Magazines Muzzles Optics Rear Grips
Stocks Stock Pads Underbarrels

All Fire Mod Attachments

.22 WMR FMJ .22 WMR Overpressured .45 ACP FMJ
.45 ACP Overpressured 12 Gauge Slug 5.45x39mm FMJ
5.45x39mm Overpressured 5.56 NATO FMJ 5.56 NATO Overpressured
7.62 NATO FMJ 7.62 NATO Overpressured 7.62x39mm FMJ
7.62x39mm Overpressured 7.62x54mmR FMJ 7.62x54mmR Overpressured
9x18mm Makarov FMJ 9x18mm Makarov Overpressured 9x19mm Parabellum FMJ
9x19mm Parabellum Overpressured 9x39mm Soviet FMJ 9x39mm Soviet Overpressured
Rapid Fire Recoil Springs -

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