Loose Trigger

Source
This item is sold by Engineering vendors in Dalaran.

Engineering

 * Blink-Trigger Headgun
 * Bolt-Action Headgun
 * Double-Barreled Cranial Cannon
 * Ironsight Cranial Cannon
 * Reinforced Headgun
 * Sawed-Off Cranial Cannon
 * Semi-Automagic Cranial Cannon
 * Tactical Headgun
 * Trigger
 * Auto-Hammer
 * Gunshoes