Would I be well equipped? What was training like? What's regimental life like? How much do I know about what's going on, do I know how badly we're losing? What might my battle experience like be? And if I'm one of those who survives the campaign and is part of the triumphant march through Paris and eventually return home, what will my experience be as a battle-hardened veteran of one of Russia's grandest victories?
I think this site should help you. Don't use English version as it's very old, use translator instead. There you can see equipment of various troops. There are also many interesting documents and memoirs there but obviously it's not something you'd want to read in translation.
http://historicalpodcasts.blogspot.com/2011/07/tsar-liberates-europe-lse-dominic.html this London School of Economics podcast features a lecture by Dominic Lieven which covers both the strategy and the experience of 1812 among the rank and file.