The "OVER TRAVEL ELIMINATOR" by OC CUSTOM TRIGGERS will remove all the wasted movement after the firing pin has been released. Overtravel is the rearward movement of the trigger after the point of the release of the hammer/striker. It can hinder your follow thru in target shooting. Fully adjustable over travel steel set screw modification. No gunsmithing is required.

GENUINE GLOCK TRIGGER HOUSING STOP FOR 9MM 

Gen 4 housing Customized to fit Generations 1/2/3/4

For 9mm Models G17 G19 G26 G34 Only (NOT FOR G43, G43X, G48, Gen 5) 

Fits Any 9mm Polymer80 lower build.

With 4th Generation Ejector #30274