Schematic: True Iron Trigger

• Schematic: True Iron Trigger
• Binds when picked up
• Use: Teaches you how to make a True Iron Trigger.
• 

  • True Iron Trigger
  • Use: Increases the item level of an Engineering weapon by 15, up to a maximum of 675.
  • Requires Level 91
• Gearspring Parts (70), Sorcerous Fire (15), Savage Blood (15)
• Requires Draenor Engineering (1)
• Sell Price: 3

Source

This item is sold for 5 x  [Secret of Draenor Engineering] by:

•  Zaren Hoffle <Engineer> /  Pozzlow <Engineer> from the Engineering Works building in the Garrison
•  Sean Catchpole <Engineering Plans> at Stormshield
•  Nik Steelrings <Engineering Plans> at Warspear

Patch changes

• Patch 6.0.2 (2014-10-14): Added.
  

External links

• Wowhead
• WoWDB