Apex's Scott Folk walks you through how to properly install your Apex Forward Set Trigger Bar Kit in the Sig Sauer P320 pistols.

112-041    Apex Forward Set Trigger Bar for Sig P320
112-031    Apex Forward Set Trigger Bar w/ Flat Advanced Trigger
112-032    Apex Forward Set Trigger Bar w/ Curved Advanced Trigger
112-030    Apex Forward Set Trigger Bar w/ Flat-Faced Action Enhancement Trigger