Compiling a list of legendary items I have found so far. Feel free to add submissions otherwise talking about this gear would be better on a different post.
Assault rifles
DAHL
Kaos
Warlord
Barrage
Helix
VLADOF
Call
Faisor
Ogre
Shredifier
Damned
Dictator
COV
Embrace the pain
Sawbar
ATLAS
Rebel Yell
JAKOBS
Hand of glory
Gatling gun
Lead Sprinkler
TORQUE
laser solder
Try bolt
Bearcat
SMGS
DAHL
Vanquished
Night Hawkin
Ripper
Sleeping giant
HYPERION
Bitch
Jackhammer
Crossroad
MALIWAN
Cloud kill
Cutsman
Devoted
Spinner
TEDIORE
musket
Smart gun
Ten gallon
PISTOLS
JAKOBS
the companion
Kings call
Unforgiven
Maggie
The flood
The duc
Wagon wheel
Amazing grace
TORQUE
raisen thorns
Devastator
Breeder
Occultist
Foursum
Elite
DAHL
hornet
Nemesis
ATLAS
Standardized linc
COV
lineage
VLADOF
infinity
Magnificent
MALIWAN
superball
Thunderball fists
hellshock
Sellout
TEDIORE
bangarang
Gunerang
SHOTGUNS
HYPERION
face puncher
Butcher
Brainstormer
JAKOBS
Hellwalker
MALIWAN
trevonator
Kill o’-the wisp
Recursion
TORQUE
Flakker
The lob
TEDIORE
Polybius
SNIPER RIFLES
VLADOF
Lyuda
DAHL
Malaks Bane
HYPERION
Woodblocker
JAKOBS
Monocle
Headsplosion
MALIWAN
And
Storm
Firestorm
Kraketoa