Ghost Inc Ultimate 3.5 Pound Trigger Connector Fits All Glock Models except 42 and 43. Highly polished. Self-cleaning debris channels (holes) remove debris from the trigger mechanism insuring that no matter what gets in the holes it gets out. Use: Self-Defense Military Law Enforcement and Sporting. Specifications for Ghost Inc Ultimate 3.5 Pound Trigger Connector Drop In 2105-E-4: Model Header: All Glock Models except 42 and 43 Master Model Header: Ultimate 3.5 Pound Trigger Connector - Drop In The Ghost Inc Ultimate 3.5 Pound Trigger Connector Drop In 2105-E-4 is a quality addition to the Ghost Inc lineup. For more great deals on Pistol Parts by Ghost Inc please browse our Ghost Inc Gun Parts page.