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Celebrate 12 years of Star Trek Online with Season Twenty-five: Shadow's Advance, now live on PC!

Check out the new Event Grand Prize - the Tier 6 Khitomer Alliance Jarok Alliance Carrier, or check out some of the new prizes available from the Discovery: Emerald Chain Lock Box!
And as always, Spoiler warnings ahead!


Star Trek Online Wiki

Experimental Weapons (previously known as Heavy or Heavy Escort Weapons) are a type of starship equipment which can be equipped on certain starships that have an Experimental Weapon slot. Most ships do not have an Experimental Weapon slot. Tier 5, Tier 5-U and Tier 6 Raiders and all Tier 5, Tier 5-U and Tier 6 starships with a Tactical Commander station, 7 weapons, and 1 or fewer Hangar Bays receive an Experimental Weapons Slot and have by default a basic upgradeable Experimental Weapon. All available Experimental Weapons are listed below.

Unlike standard starship weapons, Experimental Weapons are not affected by weapon firing modes or enhancements in most cases, such as those granted by bridge officer abilities or specific consoles.

Players who have access to a ship with an Experimental Weapon slot may claim a stock "default" weapon, the Experimental Hyperexcited Ion Stream Projector, from the Reclaim tab of the Dilithium Store (for 0 Dilithium).

Types of Experimental weapons[]

Experimental weapon Source Damage
Experimental Hyperexcited Ion Stream Projector icon.pngVery rare icon.png Experimental Hyperexcited Ion Stream Projector Default Equipment
Refined dilithium icon.png Dilithium Store (Reclaim)
Experimental Dual Warhead Launchers icon.pngVery rare icon.png Experimental Dual Warhead Launchers Miradorn Theta Heavy Raider Kinetic
Experimental Flak Shot Artillery icon.pngVery rare icon.png Experimental Flak Shot Artillery Reputation: Competitive Wargames (Tier III) Kinetic
Experimental Protomatter-Laced Sheller icon.pngVery rare icon.png Experimental Protomatter-Laced Sheller Tzenkethi Shuk-din Escort Kinetic
Experimental Proton Charge icon.pngVery rare icon.png Experimental Proton Charge Xindi-Reptilian Sistruus Escort Proton
Experimental Railgun icon.pngVery rare icon.png Experimental Railgun Faction FED25.png Caitian Shikaris Escort
Faction KDF.png Ferasan Slithus Escort
Faction Romulan Republic.png Hathos Warbird
Slamshot Magnetic Artillery icon.pngVery rare icon.png Experimental "Slamshot" Magnetic Artillery Amarie Smuggler's Heavy Escort Kinetic
Voice of the Prophets icon.pngVery rare icon.png Voice of the Prophets Denorios Bajoran Interceptor Physical
Alliance Hypercannon icon.pngVery rare icon.png Alliance Hypercannon Faction FED25.png Andorian Pilot Escorts
Faction Romulan Republic.png Dewan Pilot Escorts
Faction KDF.png Lethean Pilot Escorts
Phlogiston Projector icon.pngVery rare icon.png Phlogiston Projector Maquis Raider Fire
Field-Distortion Overcharge Pulse icon.pngVery rare icon.png Field-Distortion Overcharge Pulse Jem'Hadar Vanguard Heavy Raider Electrical
Rapid Pulse Ablating Mining Laser icon.pngVery rare icon.png Rapid Pulse Ablating Mining Laser Hur'q Vridyat Ravager Strike Wing Escort Kinetic
Graviton Implosion Charges icon.pngVery rare icon.png Graviton Implosion Charges Faction FED25.png Mirror Engle Strike Wing Escort
Faction KDF.png Lobi Crystal icon.png Lobi Store (Retired)[1]
Hypercharged Field Projector icon.pngVery rare icon.png Hypercharged Field Projector Faction FED25.png Shran Light Pilot Escort
Faction KDF.png M'Chla Pilot Bird-of-Prey
Agonized Subatomic Disintegrator icon.pngVery rare icon.png Agonized Subatomic Disintegrator Faction FED25.png Mirror Crossfield Science Destroyer
Faction FED25.png Glenn Legendary Temporal Operative Science Vessel
Faction KDF.png Lobi Crystal icon.png Lobi Store (Retired)[1]
Invasive Coilgun icon.pngVery rare icon.png Invasive Coilgun Faction FED25.png Section 31 Intel Science Destroyer
Faction KDF.png Lobi Crystal icon.png Lobi Store (Retired)[1]
Soliton Wave Impeller icon.pngVery rare icon.png Soliton Wave Impeller Risian corvette (T6) Radiation
Point Defense Matrix icon.pngVery rare icon.png Point Defense Matrix Faction FED25.png Kelvin Einstein Heavy Destroyer
Faction KDF.png Kelvin D7 Heavy Destroyer
Subatomic Field Disruptor icon.pngVery rare icon.png Subatomic Field Disruptor Faction FED25.png Earhart Strike Wing Escort
Faction KDF.png Sech Strike Wing Escort
Coordinated Hull Piercer icon.pngVery rare icon.png Coordinated Hull Piercer La Sirena Heavy Raider Kinetic
Experimental Kinetic Feedback Matrix icon.pngVery rare icon.png Experimental Kinetic Feedback Matrix Faction FED25.png Deimos Pilot Destroyer Kinetic
Experimental Carbon Scorcher icon.pngVery rare icon.png Experimental Carbon Scorcher Dhailkhina Command Strike Wing Warbird Physical
Experimental Repulsor Blaster icon.pngVery rare icon.png Experimental Repulsor Blaster Temer Alliance Raider Kinetic
Threat Deterrent Charge Launcher icon.pngVery rare icon.png Threat Deterrent Charge Launcher Jovian Intel Heavy Raider Electrical
Coherent Integrity Projector icon.pngCommon icon.png Coherent Integrity Projector Faction FED25.png Courage Command Science Destroyer Kinetic
Subspace Pocket Projector icon.pngCommon icon.png Subspace Pocket Projector Faction FED25.png Mars Pilot Escort Kinetic
Experimental Hull Spike Battery icon.pngCommon icon.png Experimental Hull Spike Battery Faction FED25.png Appalachia Blockade Runner Escort Kinetic
Gatling Emitter icon.pngCommon icon.png Gatling Emitter Faction FED25.png Da Vinci Miracle Worker Escort Kinetic
  1. 1.0 1.1 1.2 Prior to Season Twenty-two: House Reborn, this Experimental Weapon was only available to Klingon-aligned characters via the Lobi Store for 200 Lobi Crystal icon.png. With the release of Cross-Faction Flying, all factions can now obtain these weapons from their respective ships, and the option to purchase these weapons with Lobi Crystals was subsequently removed.


Gear Upgrades[]

Experimental Weapons can be upgraded using the Beam Weapons Tech Upgrades, Cannon Weapons Tech Upgrades or Universal Tech Upgrades. They will receive an additional modifier on successful quality improvement:

Ultra Rare [CrtX] +2% Critical Chance
+10% Critical Severity
Epic [Ac/Dm] +10 Accuracy Rating
+X Damage