NOT KNOWN DETAILS ABOUT GLOCK 19 GEN 4

The Gen4 pistols have already been upgraded into a twin recoil spring assembly. The dual recoil spring assembly noticeably minimizes the recoil you feel, while concurrently rising its lifespan.This design incorporates a new addition – the dual recoil springs. Glock has introduced the twin spring In order to minimize recoil and Create much more re