HECKLER & KOCH tuning/replacement part for pistol tuning kit reduced trigger pull for H+K SFP9 (match trigger)

Set consists of: firing pin, trigger spring, firing pin spring, reduced pressure spring. This set is already installed in the models SFP9 OR Match, therefore reduction to the values specified by H&K: sport trigger with integrated drop safety 15+4N. Attention reduced firing energy /-spring can lead to misfires. Installation by an experienced professional not under 30 minutes.