Well if I fell into a time warp and was transported back to the 1850s and tasked to shoot terminally sick kittens at close range...I'd feel pretty good with that.
This is coming from a guy who EDCs a NAA Blackwidow sometimes as my only gun.
To me, the Companion takes all the mess of shooting black powder and strips it of all it's fun because of the tiny measurements, tiny bits of the gun, and the near impossibly of crafting a replicable load for accuracy. Best thing I could say for it, is that you could clean it up after a trip by plunking it in a shaker bottle filled with hot soapy water.