I saw someone mention a custom stock in another thread about No. 1. Possibly a thread with the word "stainless" in the title. Let me find it.
http://www.rugerforum.com/phpBB/viewtopic.php?t=147005&postdays=0&postorder=asc&start=15
On page 2, the guy shows a lever gun with custom stock. The same company sells ones for the No. 1, but they are expensive - for the nice wood!