1. no, I havent, nor do I intend to
2. if I HAD to use a shotgun, I'd use a 20 ga instead of a 12, just cause the ballistics of such a slug are not far off a 45-70, and that seems like plenty whompum. the 12ga wouldnt gain any range, ballistics wise, over a 20.

First teach a child to love God, second teach him to love family, third teach him to fish and hunt and by the time he is in his teens no dope dealer under the sun can teach him anything. Cotton Cordell