Season legs liberally with BBQ Rub.
Add pellets to NWG pellet hopper.
Set NWG to smoker setting at 350F (176C). You can leave the default time as is.
Hit the start button and let NWG go through the ignition process.
Add the legs to the NWG and shut the lid.
Smoke the legs until they hit 170-180 (76-82C) internal temperature.
Baste legs with BBQ Sauce.
Shut the lid and cook for another 5 minutes for the sauce to set on the legs.
Remove from NWG and enjoy!