SBS-16011 Sd.Kfz. 171 'Panther' G Muzzle brake - Casted
SBS-16012 Sd.Kfz. 171 'Panther' G Muzzle brake - Turned
SBS-16013 Sd.Kfz. 171 'Panther' G Loader's Hatch
SBS-16014 Sd.Kfz. 171 'Panther' G Commander's Cupola
These and the previous 1/16 scale Panther G upgrades are available from:
https://thebodi.eu/models/101/sbs-model/sbs-armor-accessories/1-16-scale