If you need a standard-ass FCG (Fire Control Group) for your AR-15, AR-10, FGC-9 or other 3D printer gun build then this is exactly what you need! Included in this FCG Kit are the following parts:
1) Hammer2) Trigger3) Disconnector4) Hammer Spring5) Trigger Spring6) Disconnector Spring7) Two FCG Pins
All parts made in the USA
