Here's a fine weapons auction house I came across doing research about the Ojibway tribe.
OLD BARN AUCTION
10040 State Rd 224 West
Findlay, OH 45840
#419.422.8531
www.OldBarn.com
Their most current catalogue is all about old guns, relics and collectibles of that nature. A lot of good military stuff in there.
They have a great full color catalogue they'll send out.