Viper M4 / DH mod with Enhanced Output Co2 valve / Z-parts 19mm BCG / 630g Buffer / 220% Buffer spring / Normal Hammer Spring
@user-ks1vb5ky1h8 күн бұрын
@@user-or3hi2my5j Thanks for letting me know! I would like to know more about the 630g buffer! How do you weigh it down to 630g? I would like to reproduce that too!