Yep, i found it
http://www.whitemuzzleloading.com/my...r_accuracy.htm

Its one sweet ML. The Grand Alaskan in 54cal laminate SS though might be more rare. Only 6 were made. We have a 40cal min here for deer so someday im going to build a Thunderbolt in .410 since none were ever made in .410 (according to his website)