Glock Trigger Spring.

STANDARD all Glock pistols are delivered with a standard trigger spring from the factory. It guarantees constant trigger pull resistance over the entire trigger travel. Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts which guarantee excellent fit and reliable operation.
OEM number: 350

N.Y.1 The Glock „New York“ trigger has its name from the New York Police Department. It facilitates officers changing from revolvers to pistols. Increases trigger pull weight from 2,5 kg / 5.5 lb. to 4,9 kg / 11 lb.
Color: Olive
OEM number: 7405

N.Y.2 The N.Y.2 trigger spring is even harder than the N.Y.1 trigger spring. The user will obtain a continuous very hard revolver-like increase of the trigger pull weight from 3,2 kg / 7 lb. to 5 kg / 11 lb.
Color: Orange
OEM number: 7412