Capstone, or simply CS, is a company featured in multiple fan fiction projects.


For the purposes of this wiki, only fan fiction CS products will be featured.

One of the product images shows a missile mounted on what appears to be a treaded vehicle, but the owner abandoned the idea.

Fan Fiction ProjectsEdit

Events of Just Cause UnityEdit

In Just Cause Unity, their CEO is Lucy Valentine.

History in Just Cause 4: SakakuEdit

The CS U1 was their first vehicle in 1906, but then it was called HMS U1 as Capstone was still a British company.

In 1992, Capstone created the CS Aqua 77 for use by the Sakakan Navy.

By 2025, however, when Eldrith Tech started rising, Capstone naturally saw them as a threat to their power and started mass producing more of their vehicles.

By 2050, Eldrith Tech had taken over the world and Capstone stood as their sole competitor not only in business, but world domination.

A Capstone pilot found Rico Rodriguez on September 17th, 2050 and now Capstone stands a fighting chance against Eldrith Tech.

Their CEO is Jonathan Richards in this universe.


Product name Game Type Photo Notes (if applicable)
Capstone C23 Wankel Just Cause Unity Grenade launcher
Capstone C23 Wankel
Capstone Lynx Just Cause: Volosia Armored vehicle, but really APC
CS Abraham and Lee Just Cause 4: Karthstan Revolving rifle
Urga Lee
Apparently going to be named "Urga Lee" initially
CS AF 01 Just Cause 4: Sakaku Unidentified colossal titanic-like plane
CS AF 01
Time warped
CS Agency Just Cause 4: Karthstan Experimental vehicle
CS Agency
Fires grappling hooks
CS American Just Cause 4: Karthstan Assault rifle
CS American
CS Aqua 77 Just Cause 4: Sakaku Heavy Patrol Boat
CS Aqua 77
CS Beachloader Just Cause 4: Karthstan Rifle
CS Big Smoker Just Cause 4: Karthstan Armed sidecar
CS Big Smoker
CS Boomer Just Cause 4: Karthstan Grenade launcher
CS Boomer
CS Cobra Just Cause 4: Karthstan Anti-tank sniper rifle
CS Cobra
Fires explosive ammunition
CS Cross Just Cause 4: Karthstan Modernized crossbow
Capstone Cross
CS Deader Just Cause 4: Karthstan Sniper rifle
CS Defense Just Cause 4: Karthstan Tactical assault rifle
CS Defence
"Lump-Sided" type of ammunition used
CS Desert Storm Just Cause: Paradiso Islands Pistol
IMG 0617
CS Flint Just Cause 4: Karthstan Musket
CS Flint rifle
Most powerful weapon in the game, also Capstone's first weapon
CS Flintlock Just Cause 4: Karthstan Old-fashioned pistol
Most powerful pistol in the game, also Capstone's first pistol
CS Floating Jaguar Just Cause 4: Karthstan APC
CS FloatingJaguar
CS Fulda Just Cause X: Global Exchange Main battle tank
CS Fulda
CS Grand Just Cause 4: Karthstan Rifle
CS Grand
CS Hover Just Cause 4: Karthstan Hovercar
CS Hover
CS Huggorm Just Cause Unity Corvette
CS Huggorm
CS LAMAS Just Cause 4: Karthstan Assault rifle
Capstone LAMAS
Most powerful assault rifle in the game
CS Liberation Just Cause 4: Karthstan APC
CS Liberation
CS Magnum Just Cause 4: Karthstan Revolver
CS Magnum
CS Mini Just Cause 4: Karthstan Assault rifle (really submachine gun)
CS Mini
Only assault rifle that can be dual wielded (highly unrealistic)
CS PG21 Just Cause 4: Karthstan Sniper rifle
CS SAM Just Cause 4: Karthstan Self propelled SAM launcher
CS SAM (Buk missile system)
CS SG-990 Just Cause Unity Assault rifle
CS SG-990
CS Snubs Just Cause IV: El Patrick Revolver
IMG 0966
CS Spazzy Just Cause 4: Karthstan Shotgun
CS Strike Just Cause: Paradiso Islands Assault rifle
CS Strike
CS Thumper Just Cause 4: Karthstan Military truck (really an armored technical)
CS Tramper
CS TR-550 Demonslayer Just Cause Unity Revolver
CS TR-550 Demonslayer
Full name "Capstone Technical Revolver 5-series .50 Demonslayer"
CS U1 Just Cause 4: Sakaku Colossal Nuclear Submarine
Capstone's first and oldest vehicle
CS U77 Just Cause X: Global Exchange and Just Cause Unity DLC Nuclear submersible aircraft carrier (or simply put, an aircraft carrier/submarine hybrid)
CS Union Just Cause 4: Karthstan Revolver
CS go
CS Victor Just Cause 4: Karthstan Silenced SMG
CS Victor
CS X12 EDEN Just Cause Unity Portable Storm Concentrator
CS506 Admiral Just Cause Unity Gargantuan Bavarium Submarine
CS8 Lightninghawk Just Cause Unity Fifth generation jet fighter
CS8 Lightninghawk
SED-229 Just Cause 4: Karthstan Prototype mechanized armed drones
"You have 20 seconds to comply!"

Cut game contentEdit

Product name Game Type Photo Notes (if applicable)
CS MSAMP-109 Tomahawk Not in any game "Transporter Erector Launcher"
CS MSAMP-109 Tomahawk

FloatingZygarde apparently uploaded it and realized it had tracks so he abandoned it (so this is cut game content)

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