Favorite Weapon Wielded by a Sentai Mecha

[Takuya]

This wasn't wielded, but I liked when DekaWing Robo turned into a giant gun.

 

[Tanuki]

Invincible Shogun With Tsubasamaru or Gouryuujin's Dragon Antler

 

[Red Sky Ranger]

Choujuuken with Live Robo.