Nut with washer that serves as a seat for the fixing screw of the side rails on the cover of the Beretta PMX rifle.
WARNING: The code corresponds to 1 piece; the weapon requires 4 (2 on the right and 2 on the left).
To replace the entire side rail assembly, the following items are required:
#19 - C6A426 (4 needed)
#20 - C6A427 (2 needed)
#42 - C5J629 (4 needed)