The Ghost Ranger is ideal for those who demand the finest drop-in trigger connector for self defense and want to keep an average of 4.5lb trigger pull. The hole in the connector removes debris from the trigger mechanism. Debris in this area would normally cause the Glock designed connector to bind with the trigger bar rendering the pistol inoperable. The Ghost Ranger removes these pistol choking debris insuring that no matter what gets in the hole gets it out! Fine tune your trigger pull feel you like all in one kit!Ghost Inc combined all the parts necessary to give you best trigger pull possible. You save a few bucks and get everything in one shot! The Kit includes 5 parts.RANGER 4.5lb6.0 lb Trigger Spring *Everything in kit will work on Gen 5 for the exception of the trigger spring. 25% return spring for Gen 5 sold separately4.0 lb Firing Pin Spring (Target/Sport Configuration)4.0 lb Firing Pin Spring (Self-Defense Configuration) stronger primer hits.Reduced power firing pin safet...