Deepcore 40mm PGL

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Initial Stats
Area Damage 110 Explosive
Max Ammo 9
Rate of Fire
(per second)
Reload Time 2s
Armor Break Bonus 100%
Fear Factor 100%
Maximum Damage Radius 2m
Radius 3m
Minimum Damage 50%
Friendly Fire 50%
Whoever coined the phrase "Bang for the Buck" must have had this lovely thing in mind. Cheap, dependable, and utterly devastating.
— Item Description

The Deepcore 40mm PGL is the default secondary weapon for the Engineer.

It is a gray, man-portable grenade launcher adorned with various metallic bracings and wires. The PGL is a break-action launcher, meaning that the gun's barrel opens on a hinge downwards to load in new grenades.

The PGL fires heavy-duty grenades. The explosives have a below-average velocity and are affected by gravity, which limits how far they can travel (certain mods and OCs can affect the velocity). Only one shell can be loaded at a time, and the weapon will automatically begin reloading once the loaded shell has been fired.

It also has a high Fear Factor, where anything that survives the explosion might be left fleeing in terror.


There are five tiers of modifications and each tier has two to three upgrades. Only one modification can be equipped per tier.

Deepcore 40mm PGL Modifications
Mod Effect In Game Description Price
Tier 1 Icon Upgrade Area.png
Fragmentary Shell
+1m Damage Radius "Damage radius increase"
Credit.png 1000 Credits
Bismor 20 Bismor
Icon Upgrade Ammo.png
Extra Ammo
+2 Max Ammo "Expanded Ammo Bags"
Credit.png 1000 Credits
Enor Pearl 20 Enor Pearl
Icon Upgrade Area Damage.png
HE Compound
+20 Area Damage "The good folk in R&D have been busy. The overall damage of your weapon is increased."
Credit.png 1000 Credits
Bismor 20 Bismor
Tier 2
Level 6
Icon Upgrade Ammo.png
Expanded Ammo Bags
+2 Max Ammo "You had to give up some sandwich-storage, but your total ammo capacity is increased!"
Credit.png 1800 Credits
Croppa 18 Croppa
Jadiz 12 Jadiz
Icon Upgrade Area Damage.png
Larger Payload
+20 Area Damage "More bang for the buck! Increases the damage done within the Area of Effect!"
Credit.png 1800 Credits
Enor Pearl 12 Enor Pearl
Bismor 18 Bismor
Tier 3
Level 10
Icon Upgrade Heat.png
Incendiary Compound
50% damage converted to Heat (-50% Armor break) "50% damage converted to heat. This will reduce direct damage, but will set enemies on fire."
Credit.png 2200 Credits
Croppa 20 Croppa
Jadiz 30 Jadiz
Icon Upgrade ArmorBreaking.png
Pressure Wave
+500% Armor Break Bonus "We're proud of this one. Armor shredding. Tear through that high-impact plating of those big buggers like butter. What could be finer?"
Credit.png 2200 Credits
Magnite 30 Magnite
Enor Pearl 20 Enor Pearl
Icon Upgrade ProjectileSpeed.png
High Velocity Grenades
+180% Projectile Velocity "We souped up the ejection mechanisms of your gun, so the projectiles are now fired at a much higher velocity."
Credit.png 1800 Credits
Croppa 12 Croppa
Jadiz 18 Jadiz
Tier 4
Level 14
Icon Overclock ChangeOfHigherDamage.png
Homebrew Explosive
+Randomized Damage
(between x0.8 and x1.4 damage)
"More damage on average but it's a bit inconsistent with a spread of 80% to 140%"
Credit.png 3800 Credits
Jadiz 15 Jadiz
Magnite 25 Magnite
Bismor 36 Bismor
Icon Upgrade Area.png
Nails + Tape
+1m Damage Radius "Fire in the hole! The Area of Effect is increased. (We advise keeping the term "safe distance" close to your heart)"
Credit.png 3800 Credits
Croppa 25 Croppa
Jadiz 36 Jadiz
Enor Pearl 15 Enor Pearl
Icon Upgrade Stun.png
Concussive Blast
+100% Stun Chance "Stuns creatures within the blast radius"
Credit.png 3800 Credits
Jadiz 25 Jadiz
Magnite 15 Magnite
Enor Pearl 36 Enor Pearl
Tier 5
Level 18
Icon Upgrade Special.png
Proximity Trigger
+Proximity Trigger
x1.1 Damage Radius
"Launched grenades will only detonate when they are in close proximity to an enemy or after the projectile comes to a complete stop. Explosion range is also increased. Note: The trigger takes a moment to arm, indicated by a green light, and until then the grenade functions as usual."
Credit.png 4400 Credits
Croppa 60 Croppa
Magnite 110 Magnite
Bismor 40 Bismor
Icon Upgrade DamageGeneral.png
Spiky Grenade
+60 Direct Damage

(Damage type: Kinetic)

"Deals damage on direct impact"
Credit.png 4400 Credits
Croppa 60 Croppa
Jadiz 40 Jadiz
Umanite 110 Umanite
Icon Upgrade ProjectileSpeed.png
Disabled Inertia Inhibitor
+Disabled Inertia Inhibitor "This tweak ensures that the user's velocity is transfered to the projectile. Usefull in high-speed applications but it requires doing more math in your head."
Credit.png 4400 Credits
Magnite 40 Magnite
Umanite 60 Umanite
Enor Pearl 110 Enor Pearl


Overclock calculations happen after modifiers.

Grenade-launcher.png Deepcore 40mm PGL [Expand/Collapse]
Overclock Effect In Game Description Price
Clean Sweep
Frame Overclock Clean.png
Icon Upgrade Area.png

Pos.svg +10 Area Damage
Pos.svg +0.5m Radius

"Increases the explosion radius and damage without any unwanted effects."
Credit.png 8100 Credits
Umanite 135 Umanite
Enor Pearl 70 Enor Pearl
Bismor 105 Bismor
Pack Rat
Frame Overclock Clean.png
Icon Upgrade Ammo.png

Pos.svg +2 Max Ammo

"You found a way to pack away two more rounds somewhere."
Credit.png 7950 Credits
Magnite 120 Magnite
Enor Pearl 105 Enor Pearl
Bismor 80 Bismor
Compact Rounds
Frame Overclock Balanced.png
Icon Upgrade Ammo.png

Pos.svg +5 Max Ammo
Neg.svg -10 Area Damage
Neg.svg -0.5m Radius

"Smaller and lighter rounds means more rounds in the pocket at the cost of the explosion's effective radius and damage."
Credit.png 7900 Credits
Umanite 70 Umanite
Enor Pearl 100 Enor Pearl
Bismor 120 Bismor
RJ250 Compound
Frame Overclock Balanced.png
Icon Overclock ExplosionJump.png

Pos.svg x1.7 Max Ammo
Pos.svg -0.6 Reload Time
Pos.svg +RJ250 Compound
Neg.svg -35 Area Damage

"Use explosions to launch yourself and your teammates into the air."
Credit.png 8800 Credits
Umanite 120 Umanite
Enor Pearl 110 Enor Pearl
Bismor 65 Bismor
Fat Boy
Frame Overclock Unstable.png
Icon Upgrade Area Damage.png

Pos.svg x4 Area Damage
Pos.svg +1m Radius
Neg.svg x0.3 Max Ammo
Neg.svg x0.7 Projectile Velocity

"Big and deadly and dirty. Too bad plutonium is so heavy that you can only take a few rounds with you. And remember to take care with the fallout."
Credit.png 8300 Credits
Magnite 105 Magnite
Enor Pearl 70 Enor Pearl
Bismor 120 Bismor
Hyper Propellant
Frame Overclock Unstable.png
Icon Upgrade ProjectileSpeed.png

Pos.svg +385 Direct Damage
Pos.svg +350% Projectile Velocity
Neg.svg x0.3 Radius
Neg.svg -2 Max Ammo
   (Both Area and Direct Damage is converted to Disintegrate)

"New super-high velocity projectiles trade explosive range for raw damage in a tight area. The increased weight of the rounds also limits how many you can carry."
Credit.png 8950 Credits
Croppa 90 Croppa
Jadiz 70 Jadiz
Magnite 130 Magnite

Stats Breakdown

Unique Modifications

Unique Modifications
Icon Upgrade Heat.png
Incendiary Compound
Incendiary Compound is unique in that it causes the weapon to inflict Heat (50% of the maximum Damage at any point inside the Radius) while losing 50% in Damage (Direct and Area), and Armor Break bonus.

The Heat from this mod is not affected in any way by the damage multiplier from Homebrew Powder.

Icon Upgrade Special.png
Proximity Trigger
Proximity Trigger changes the projectiles of the PGL so that it does not explode on contact. Instead, it will bounce off surfaces and preserve speed. When the projectile is close to an enemy it will automatically detonate. The trigger radius is based on the explosion radius, therefore a larger radius will cause the projectile to be more volatile. There is a very brief period of time directly after being fired in which the projectile cannot be triggered. If the projectile is not triggered within 3 seconds of being fired, it will automatically explode.

Unique Overclocks

Unique Overclocks
Frame Overclock Balanced.png
Icon Overclock ExplosionJump.png

RJ250 Compound

RJ250 Compound is a Balanced Overclock which adds a significant push force to any Dwarves caught in the explosion radius. This allows grenades to be used for "blast jumping" by firing at one's feet while jumping simultaneously, resulting in spectacularly high jumps at the cost of self damage taken. Any existing movement is taken into account, and players can moderately affect their direction once airborne. This Overclock provides a significant boost to mobility, at the cost of damage dealt by the grenades (though this does help to reduce the amount of damage dealt to oneself).

Frame Overclock Unstable.png
Icon Upgrade Area Damage.png

Fat Boy

Fat Boy is an Unstable Overclock that turns the Deepcore 40mm PGL into a mini nuclear bomb. After the explosion, it creates a spherical field (8m radius, centered at point of impact) that does 25 radiation damage every 0.75 - 1.25 seconds to enemies and 6 radiation damage every 0.5 - 1.0 seconds to players. The field lasts for 15 seconds.

Frame Overclock Unstable.png
Icon Upgrade ProjectileSpeed.png

Hyper Propellant

Hyper Propellant is an Unstable Overclock that converts all of the PGL damage into Disintegrate Damage along with adding a large amount of direct damage to the grenades.

This overclock is currently bugged when combined with Incendiary Compound. It adds 100% of the PGL's listed explosive area and direct damage as Disintegrate Damage and then removes 100% of the Explosive Damage from both the area and direct damage. This all happens after Incendiary Compound converts 50% of the explosive damage into Heat, and as a result the downside of Incendiary Compound is completely subverted to allow the PGL to deal massive direct and area damage along with an additional 50% of that damage as Heat.


Each modification that is purchased advances a mastery bar by one unit.

Mastery unlocks:

  • Three modifications – First Stripe Weapon Paintjob Icon Skin First Stripe.png
  • Seven modifications – Deepcore Weapon Paintjob Icon Skin Deepcore.png
  • All (14) modifications – The Company Special Weapon Paintjob Icon Skin The Company Special.png


Full gallery of skins can be seen at Weapon Skins.



  • The "Fat Boy" Overclock is likely named after the Fat Man and Little Boy, the two atomic bombs which were dropped over Japan in World War 2.
  • The "RJ" in the "RJ250 Compound" Overclock likely stands for "rocket jump", a term used to describe the usage of an explosive weapon's powerful knockback as a mobility enhancement. The term was coined by popular first-person-shooter series Quake, and has featured in many other multiplayer shooter games as a technique with a high skill ceiling.

This page is possibly not up to date. It was last updated for Update 34: Modest Expectations

es:Lanzagranadas Deepcore 40mm