<stdin>

ijontichy@powernoob Starbound/assets $ grep -oh "\"[a-zA-Z]\+\" \?: \?" **/*.*gun | sort | uniq
"accuracy" :
"animation" :
"baseDps" :
"color" :
"description" :
"directories" :
"dropCollision" :
"file" :
"fireOnRelease" :
"firePosition" :
"fireSound" :
"fireTime" :
"handPosition" :
"hands" :
"image" :
"imageFrameSelector" :
"inspectionKind" :
"inventoryIcon" :
"itemName" :
"level" :
"life" :
"maxStack" :
"multiplier" :
"multiplier":
"muzzleEffect" :
"muzzleFlashes" :
"name" :
"nameGenerator" :
"palette" :
"power" :
"powerCurve" :
"powerProjectileTime" :
"powerProjectileType" :
"projectile" :
"projectileType" :
"projectileTypes" :
"rarity" :
"rateOfFire" :
"recoilTime" :
"shortdescription" :
"speed" :
"speedCurve" :
"spread" :
"twoHanded" :
"walkWhileFiring" :
"weaponType" :