AC-22 Dum-Dum

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Fully upgraded AC-22 Dum-Dum
AC-22 Dum-Dum silhouette.png

"This 20mm Autocannon is a staple of Helldiver weaponry. Usually reserved for APCs and other vehicles, this is a shoulder carried version for the Helldiver on foot. It is an extremely bulky weapon, but performs very well against medium-armored targets. The Dum-Dum is part of the Weapons equipment kit."
- Armory Description

Stratagem Code[edit | edit source]

Players must enter the following sequence, using the controller d‑pad, in order to call down this single-use Stratagem during a mission:
Arrow 1 D.pngArrow 2 L.pngArrow 1 D.pngArrow 4 U.pngArrow 4 U.pngArrow 3 R.png

Unlock Requirement[edit | edit source]

The AC-22 Dum-Dum is a DLC weapon, available at any rank to those who purchase the Weapons Pack.

Upgrades[edit | edit source]

Upgrade Cost Effect
Strat AC-22 Dum-Dum mk1.png Mk1 Basic variant, no upgrades.
Strat AC-22 Dum-Dum mk2.png Mk2 Research-point.png 2 Increases the fire rate without losing out on accuracy.
Strat AC-22 Dum-Dum mk3.png Mk3 Research-point.png 2 Adds a laser sight, making sure that all rounds land on target.

Weapon Stats[edit | edit source]

Helldivers start with 3 magazines of Dum-Dum ammunition, and can carry up to 6. Each magazine contains 20 rounds. If 4 or less rounds remain in the magazine when the weapon is fired, the 'low ammunition' warning sound will play.

  • Reload time for a fully emptied magazine is 4 seconds; if reloaded while there are still rounds in the magazine, this drops to 3 seconds. In addition, this keeps a round in the chamber. This means a Dum-Dum with a chambered round gives a total of 21 shots before needing to be reloaded.
    • Reloading immobilizes the Helldiver for the duration.
AC-22 'Dum-Dum' Detailed Analysis
Weapon Info Additional Notes
Unlock Rank Rank 1 Unlocked via DLC
Weapon Type Secondary
Weapon Category Autocannon
Fire Mode Full-auto
Base Upgraded Additional Notes
Damage 600 600
Center Mass Damage 720 720
Status Effect None None
AP Ammo Armor Reduction -15 -15
Base Upgraded Additional Notes
Cyclic Rate of Fire (RPM) 150 200* * Requires Mk2 upgrade
Capacity 20 + 1 20 + 1
Starting Mags 3 3
Max Mags 6 6
Empty Reload Speed 4.0 s 4.0 s Immobilized while reloading
Tactical Reload Speed 3.0 s 3.0 s Immobilized while reloading; keeps one round in the chamber
Min Spread
Max Spread
Spread Increase per Shot 0.75° 0.75°
Max Range 30 m 30 m
Bullet Spread Simulation todo

Gameplay Tips[edit | edit source]

  • The AC-22 is a devastating, high precision, anti-personnel weapon that effortlessly takes down most enemies that are susceptible to anti-personnel weapons.
  • The AC-22 Dum-Dum has limited anti-tank capacities, it can punch through the armour of Cyborg Warlords and Hulks (but not a Hulk's shield).

Gallery[edit | edit source]

Notes[edit | edit source]

  • The Dum-Dum is too unwieldy to be used as a melee weapon. When carrying this weapon, Helldivers will perform any melee attacks with their left fist, instead of striking enemies with the weapon itself.
  • The AC-22 Dum-Dum was re-balanced in Patch 3.02. The weapon now has a higher aim speed.
  • The AC-22 Dum-Dum was re-balanced in Patch 7.00 (again). The weapon now has significantly increased damage.
Sidearms Assault rifles LMGs Shotguns SMGs Precision Explosive Laser tech Arc tech
P-2 Peacemaker AR-19 Liberator MG-105 Stalwart SG-225 Breaker SMG-45 Defender LHO-63 Camper CR-9 Suppressor LAS-5 Scythe AC-3 Arc Thrower
P-6 Gunslinger AR-22C Patriot SG-8 Punisher MP-98 Knight SMG RX-1 Rail Gun PLAS-1 Scorcher LAS-16 Sickle AC-5 Arc Shotgun
FLAM-24 Pyro AR-20L Justice DBS-2 Double Freedom SMG-34 Ninja M2016 Constitution LAS-12 Tanto
PLAS-3 Singe AR-14D Paragon LAS-13 Trident
Heavy Weapons

MG-94 Machine Gun MGX-42 Machine Gun AC-22 Dum-Dum LAS-98 Laser Cannon FLAM-40 Incinerator TOX-13 Avenger

Obliterator Grenade Launcher MLS-4X Commando RL-112 Recoilless Rifle EAT-17 REC-6 Demolisher M-25 Rumbler

Supply Stratagems

Resupply REP-80 AD-289 Angel AD-334 Guard Dog LIFT-850 Jump Pack Resupply Pack SH-20 Shield Generator Pack SH-32 Directional Kinetic Shield

MG-94 Machine Gun MGX-42 Machine Gun AC-22 Dum-Dum LAS-98 Laser Cannon FLAM-40 Incinerator TOX-13 Avenger Obliterator Grenade Launcher MLS-4X Commando RL-112 Recoilless Rifle EAT-17 REC-6 Demolisher M-25 Rumbler

EXO-44 Walker Exosuit EXO-48 Obsidian Exosuit EXO-51 Lumberer Exosuit M5 APC M5-32 HAV TD-110 Bastion MC-109 Hammer Motorcycle

Defensive Stratagems

A/AC-6 Tesla Tower A/GL-8 Launcher Turret A/MG-11 Minigun Turret A/RX-34 Railcannon Turret Airdropped Anti-Personnel Mines Airdropped Stun Mines Anti-Personnel Barrier AT-47 Anti-Tank Emplacement Distractor Beacon Humblebee UAV drone Thunderer Smoke Round

Offensive Stratagems

Airstrike Close Air Support Heavy Strafing Run Incendiary Bombs Missile Barrage Orbital Laser Strike Railcannon Strike Shredder Missile Strike Sledge Precision Artillery Static Field Conductors Strafing Run Thunderer Barrage Vindicator Dive Bomb

Special Stratagems

Emergency Beacon ME-1 Sniffer Metal Detector NUX-223 Hellbomb Reinforce