Manufacturers AR15 / M16 M16 M16 Parts List Pistol Grip Lock Washer, New (DPMS/Panther Arms)
Pistol Grip Lock Washer, New (DPMS/Panther Arms)

This part is found in the following schematics

Pistol Grip Lock Washer, New (DPMS/Panther Arms)

Pistol Grip Lock Washer, New (DPMS/Panther Arms)
Manufacturer: U.S. MILITARY
Model: M16
Product #: 551950A

This part is found in the following schematics