This receiver is 100% complete and considered a firearm so we must ship it to an FFL holder.
All holes are machined using CNC to ensure accuracy.
The receiver is heat treated in our salt bath to 40 HRC.
Holes machined for:
Trigger guard rivets
Fire control group
Center support is installed.
Ejector tips will need fitted to your bolt (Easily done with a file).
This receiver marked 5.56x45
U.S. Sec 922r compliant part.