The links listed here will provide you with information on topics which might interest you as Swiss citizen.
Citizens
Topics armasuisse
Topics Departement
Purchase military equipment
While there will be no more auctions from 2009, it will still be possible to purchase equipment formerly used by the Swiss Armed Forces. For this purpose, visit one of eight Army Liq Shops in Switzerland.
Locations Army Liq Shops:
Sale of military equipment and vehicles: Logistics of the Armed Forces (in German) 
Questions and answers about the liquidation of Army Material: Liquidation (in German)
Further information: armyliqshop.ch (in German)