Well, looks like the OP got this all wrong. Almost a month has gone by since his first post and we're still not "clear".
Gen 3: G19,G20,G23,G26,G27,G29,G30,G32*,.50GI
Gen 2: G19
Gen 4: G17,G22
Gen 1: G17
NRA Life Member. www.1911addicts.com