A system for use in connection with a protective helmet (200) having at least one accessory connection mechanism (220) includes a visor accessory (100) which includes a frame (120) including at least one rearward extending member (130). The system further includes an adapter (10) including a helmet connector (20) adapted to form a releasable connection with the accessory connection mechanism of the protective helmet and an accessory connector (40 ) adapted to form a releasable connection with the at least one rearward extending member of the visor accessory. The accessory connector is adapted to be stowed on the at least one rearward extending member when the adapter is not in use to connect to the accessory connection mechanism of the protective helmet.