Glock oem high performance trigger - Glock OEM Performance Flat Faced Pistol Trigger

I installed a new trigger in my Glock 19X. Initially, the trigger pull was not smooth when pulled slowly. I removed the slide to observe the mechanism and noticed the trigger bar was rubbing against the sear holder, causing metal-to-metal friction. I applied red high-performance grease to the contact surface, which significantly improved the trigger pull, making it smooth and meeting my expectations.