Manufacturers AR15 / M16 M16 M16 Parts List Bolt Carrier Key, 5.56/.223, 7.62 x 39, New (DPMS/Panther Arms)
Bolt Carrier Key, 5.56/.223, 7.62 x 39, New (DPMS/Panther Arms)

This part is found in the following schematics

Bolt Carrier Key, 5.56/.223, 7.62 x 39, New (DPMS/Panther Arms)

This part is found in the following schematics