To transfer them legally, your need to take them to a gun shop and do a private party transfer. Buyer and seller go to a gun shop, sign paperwork, shop holds gun while buyer waits ten days before coming back to pick up. Most shops charge a small fee for the transfer. Go to
GunBroker.com Online Gun Auction to search for other A5's to compare prices. Make sure you know the origin as A5s were made all over. The Belguim made ones command the highest price.