I've always carried 4 in the rifle, one in my pocket and 10 in a folding leather ammo wallet in my pack. My wallet is an old, old one made by Hunter leather in Boise, Idaho. My wife uses a 10 round version made by Allen that is camo nylon. Both of them have elastic loops to keep the rounds separated and quiet.
Found this at Academy.
http://www.academy.com/shop/pdp/allen-company-rifle-cartridge-carrier/pid-99183?N=29812268
