http://www.fcsurplus.ca/shopping/shopexd.asp?id=822

takes you to a web belt, several colour choices, $US9.38. They call this one a GI Pistol Belt.

Mine is similar, with the old style, I guess, twisty key buckle thing. I have two, black and OD, get good compliments on them. I wear either one depending on match, unless, of course, you're not going to see the belt (jacket, sweater).