Legendary Revolver - Sharpst Quick-Iron [Weird West]

Legendary Weapons - Weird West. How to get the BEST Revolver - Sharpst Quick-Iron in the Weird West without weapon upgrades to gold state. Please note that I received this legendary revolver while playing as a Pigman.
All legendary items in Weird West are here:
Legendary Bow:    • Legendary Bow & Vest  - Solid Bow and  Bea...  
Legendary Revolver:    • Legendary Revolver - Sharpst Quick-Iron [W...  
Legendary Rifle:    • Legendary Rifle - Gowser Service Rifle [We...  
Legendary Shotgun:    • FREE Legendary Shotgun - Black Mountain Wi...  
Legendary Armor:    • Legendary Bow & Vest  - Solid Bow and  Bea...  
Golden Shovel (DOES NOT break):    • BEST Melee Weapon: Unbreakable Golden Shov...  
Golden Pickaxe (DOES NOT break):    • BEST Melee Weapon: Unbreakable Golden Shov...