"Stubby" Voltaic SMG
 Unlocked through an assignment
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Requires Engineer  10
Purchased for:
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| “ | So what's better than an SMG? An SMG that fires ELECTRIC BULLETS! The boys in R&D have wired a prototype ArcGen into the guts of this trusty Subata 312, meaning it now unleashes a storm of electrified DEATH! Word of warning: Keep away from water. |
| — Item Description |
The "Stubby" Voltaic SMG is an unlockable primary weapon for the Engineer. Fitting to its nickname, it is a short and stout submachine gun which has had an electrical generator wired into its firing mechanisms. A node on the side of the gun lights up and powers down whenever there is a magazine inserted into or removed from the gun, respectively. The Engineer never makes use of the massive foregrip on the weapon, despite the fact it would help to dampen recoil.
As the gun's name suggest, it comes equipped with electrical features; by default every shot fired has a 25% chance to electrocute the target, damaging them over time while also slowing their movement.
Modifications
There are five tiers of modifications and each tier has two to three upgrades. Only one modification can be equipped per tier.
| "Stubby" Voltaic SMG Modifications | ||||||||||||
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| Mod | Effect | In Game Description | Price | |||||||||
| Tier 1 |  Increased Caliber Rounds |
+3 Damage | "The good folk in R&D have been busy. The overall damage of your weapon is increased." |
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 Upgraded Capacitors |
+25% Electrocution chance | "Better chance to electrocute target" |
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 Expanded Ammo Bags |
+120 Max Ammo | "You had to give up some sandwich-storage, but your total ammo capacity is increased!" |
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| Tier 2 4
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 High Capacity Magazine |
+10 Clip Size | "The good thing about clips, magazines, ammo drums, fuel tanks ...you can always get bigger variants." |
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 Recoil Dampener |
x0.7 Recoil | "Quality engineering, the best lasercut parts, the tender loving care of a dedicated R&D Department. The recoil of your gun is drastically reduced." |
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 Improved Gas System |
+3 Rate of Fire | "We overclocked your gun. It fires faster. Don't ask. Just enjoy. Also probably don't tell Management, please." |
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| Tier 3 8
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High Velocity Rounds |
+3 Damage | "The good folk in R&D have been busy. The overall damage of your weapon is increased." |
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Expanded Ammo Bags |
+120 Max Ammo | "You had to give up some sandwich-storage, but your total ammo capacity is increased!" |
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| Tier 4 12
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 Hollow-Point Bullets |
+25% Weakpoint Damage Bonus | "Hit 'em where it hurts! Literally! We've upped the damage you'll be able to do to any creature's fleshy bits. You're welcome." |
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Conductive Bullets |
+25% Damage vs Electrically Affected | "More damage to targets that are in an electric field" |
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 Hardened Rounds |
+250% 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?" |
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| Tier 5 16
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Magazine Capacity Tweak |
+20 Clip Size | "Greatly increased magazine capacity" |
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Electric Arc |
+25% Electrocution AoE chance | "Chance for electrocution to arc from one target to others" |
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 Improved Accuracy |
x0.6 Base Spread | "Better alignment and weight distribution means more shots hitting your target." |
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Overclocks
Overclock calculations happen after modifiers.
 "Stubby" Voltaic SMG [Expand/Collapse]
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| Overclock | Effect | In Game Description | Price | ||||||||
Super-Slim Rounds
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"Same power but in a smaller package giving slightly better accuracy and letting you fit a few more rounds in each magazine." |
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Well Oiled Machine
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"When you need a little more sustained damage." |
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EM Refire Booster
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"Use the electron circuit of the SMG to boost its fire rate and damage but the accuracy suffers as a result." |
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Light-Weight Rounds
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"They don't hit quite as hard, and can't handle fast fire rates but you sure can carry a lot more of them!" |
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Hyperalloy Assembly
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"Precision-tooled hyperalloy components drastically reduce bullet spread. However, the weapon frame no longer absorbs recoil, transferring all force directly to the user's wrist. This means increased recoil, as well as elevated risk of carpal tunnel syndrome." |
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Micro-Conductor Add-On
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"Micro-conductors have been added to your bullets, enabling them to add electric currents to platforms and Sentries on impact. Additionally, electrified Sentries work as nodes, creating an electric arc between them. Conductor Bullets are bigger and require a modified firing mechanism, reducing ammo capacity and fire rate." |
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Turret EM Discharge
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"Shoot a turret to turn it into the epicenter of an electric explosion! The bullet modifications unfortunately also lower the direct damage and electrocution chance." |
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+5 Magazine Size 
x1.5 Base Spread
Stats Breakdown
Unique Modifications
| Unique Modifications | ||
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Conductive Bullets |
Conductive Bullets allows the weapon to deal an additional +25% Electrical damage to enemies that are under an electrical field. Electric damage does not benefit from this bonus. | |
Electric Arc |
Electric Arc causes each bullet fired out of the Stubby to have a chance to proc an Area of Effect lightning attack. If SMG's bullet procs Electrocute DoT on an enemy, then there's a 25% chance that Electric Arc's AoE will proc too. For example: if the listed Electrocution chance is 50%, then Electric Arc has a 50% x 25% = 12.5% chance to proc. Upon activation, Electric Arc will have a 100% chance to inflict a standard Electrocute DoT on any creature within a 2.75m radius of the primary target's center of mass. | |
Unique Overclocks
Note: Overclocks that work by shooting turrets require the targetted turret to have been built. Until a new turret (i.e. deployed from the Engineer's backpack) is built, the Engineer won't be able to hit it with shots fired from the "Stubby" Voltaic SMG.
| Unique Overclocks | ||
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Micro-Conductor Add-On |
Micro-Conductor Add-On is an Unstable Overclock that electrically charges a sentry or platform whenever it is hit by a bullet that would normally electrocute a creature. Charged sentries electrocute anything in a small area around it, while platforms affect anything walking on them, damaging and slowing. If 2 or more sentries within a 15 meters radius are charged, they will also create an electric arc between each other, applying the same damage to anything caught in between them and slow effect to creatures. |
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Turret EM Discharge |
Turret EM Discharge is an Unstable Overclock that triggers an electrical explosion around a fully built LMG Gun Platform whenever it is hit by a bullet that would normally electrocute an enemy. As such equipping Upgraded Capacitors increase the chance of given bullet triggering an explosion. While holding the Stubby equipped with Turret EM Discharge, a light blue circular indicator will appear around fully built turrets showing the explosion radius. |
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Mastery
Each modification that is purchased advances a mastery bar by one unit.
Mastery unlocks:
- Three modifications – First Stripe Weapon Paintjob
- Seven modifications – Deepcore Weapon Paintjob
- All (12) modifications – The Company Special Weapon Paintjob
Skins
Full gallery of all Frameworks and Paintjobs can be seen at Weapon Cosmetics.
Gallery
Trivia
- The weapon's reload interaction on a full clip consists of the Engineer twirling it around vertically in his hand. This animation is also present with the Driller's Subata 120 and the Gunner's "Bulldog" Heavy Revolver.
- The weapon's main body - the Subata 312 - is likely produced by the same firearms manufacturer who made the Subata 120, the Driller's default secondary weapon.
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