Improvements and trade-offs between trigger weight, crispness and reliability with hard primers.
GLOCK factory Dot connector. Marked "."
GLOCK factory 2kg (minus) connector.
GLOCK Gen 3 trigger bar. Very popular upgrade to Gen 4 pistols.
Extra power firing pin spring for Generations 3 and 4.
"New York" trigger spring for Generations 3 and 4.