Been a few years since I've seen these in inventory. Aimsurplus currently has 82's and a small number of 83's.
http://www.aimsurplus.com/product.a...ail&utm_term=0_6870497a6a-6971cc22ce-18506589
http://www.aimsurplus.com/product.a...ail&utm_term=0_6870497a6a-6971cc22ce-18506589
http://www.aimsurplus.com/product.a...ail&utm_term=0_6870497a6a-6971cc22ce-18506589
http://www.aimsurplus.com/product.a...ail&utm_term=0_6870497a6a-6971cc22ce-18506589