MHF2 and MHFU: Gunlance Controls

Weapon Sheathed

 = Draw Weapon
 + R = Quick Draw & Defensive stance
 + R (while moving) = Quick Draw & Defensive stance
 + Direction = Quick Draw + Rushing Upward attack

Melee

 = Forward Thrust (can be chained × 3)
 + Direction = Rushing Upward Thrust
After Rushing Upward Thrust  = Forward Thrust (can be chained  × 2)
 = Upward Swing (can be chained from Forward or Diagonal Thrust)
After Upward Swing  = Diagonal Thrust (can be chained × 2)
R (HOLD) = Defense
R +  = Diagonal Thrust (can be chained × 3)

Shelling

 = Forward Shell shot
After Forward Thrust  = Forward Shell shot
After Diagonal Thrust or Rushing Upward Thrust  = Diagonal Shell shot
After Upward Swing  = Upward Shell shot
R +  = Wyvern's Fire

 after any Shell shot = chain into Forward or Diagonal Thrust
 after Forward Shell shot = chain into Upward Swing
 + Forward after Diagonal or Upward Shell shot = chain into Rushing Upward Thrust

Dodge

 / After melee attack  = Backstep (can be used to link chains)
After melee attack  + Back  = Long Backstep (can be used to link chains)
After melee attack  + Left or Right = Sidestep (can be used to link chains).

Reload

R +  = Reload, if ammo isn't full.
After Backstep or Sidestep  = Reload, if ammo isn't full.