This is a Ghost Inc. Spring Cup known as the For All Glock Gen 1-4, model GHO_TMC.
The Ghost Turbo Maritime Spring Cups self clean the firing pin channel on live fire and ensure that even with water and debris inside your Glocks firing pin channel" your Glock pistol will fire!
Features:
Increased Reliability
Functions in all Weather Environments
Helps Keep the Firing Pin Channel Clean
