The PIN numbers are now printed on labels attached to ASTER II Bluetooth® & TITAN II Bluetooth® cables as well as inside as a separate sticker for you to place where convenient – best inside the magwell, the buffer tube, replica case or somewhere in your workshop. The serial number and is also on the packaging.
...
Once you’re logged into GCS, tap the hamburger menu in the top left corner
Tap your user name
Tap Saved PINs
Choose the device you need the PIN for
Now you’ve got your PIN back, you can also copy or remove the saved PIN – if, for example, you have sold your unit
