Halo 3 recon Armor Help please?

hey my friend realllly wants recon armor he has beaten Halo 3 1000/1000 G and 49/49 Ach He has like 11000 GamerScore and he has made sticky vids on bungie and everything what is a good idea/way to get recon i know its next to impossible to get it so no smarta** replies lol thanks
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