Here's a list of the usual RINOs, IIRC.
I believe you can assume all the rats voted for the AWB. Somebody correct me if I'm wrong. Fitzgerald declined to run for re-election this year, and all the others either have safe seats or are not up for re-election this year.
Dems voting against Gun show ban in 2004
Baucus, Miller, BEN Nelson,
Dem's voting against Ted Kennedy's ban on all center fire ammunition(30-30ban)
Lincoln, Pryor, Zell Miller, Dorgan, Baucus, BEN Nelson, Bingaman, Breaux, Reid, Jeffords(He's a dem), Conrad, Landrieu, Leahy, Dasshole
GOP voting FOR AW ban in 04
Chafee, Collins, Snowe, Voinovich, Warner, Smith, Lugar, Fitzgerald, Gregg, DeWine
GOP voting FOR gun show ban in 04
Lugar, McStain, Chafee, DeWine, Hagel, Fitzgerald, WArner, Voinovich.
GOP voting for Kennedy ban
Lincoln Chafee
Missed votes
AWB - Johnson
Gun Show - Johnson
.30-30 ban - Domenici, Edwards, Johnson