me too, so I bought an early Clark's Conversion kit.I like the thought of .44 mag performance from a 1911.
http://clarkcustomguns.com/parts-category/1911/
more info (kits, ammo, etc) here:
https://www.460rowland.com
https://www.460rowland.com/load-data/
http://www.ballisticsbytheinch.com/460rowland.html