Shrinking blackpowder wheelguns down to the size of a deck of cards only increases the fun of running them at the range. Here's a look at the Companion series of blackpowder revolvers from North American Arms.
NAA-22LR-CB – North American Arms
NAA Cap and Ball Revolver with Smokeless and Black Powder
North American Arms super companion cap and ball
Tested: North American Arms Blackpowder Companion Revolvers
NAA Super companion The Muzzleloading Forum
5 New Or Unusual North American Arms Mini Revolvers
44 Black Powder Revolver Holster - How to Load a Black Powder
NAA Super Companion Cap/Ball Kit 22 Cal/#11 Percussion 5rd Revovler NO FFL - Black Powder Pistols & Muzzleloader Pistols at : 1020963974
North American Arms 22MCB Companion SAO 22 Cal #11 Percussion 1.63 5rd Stainless Steel Rosewood Birdshead Grip, Bobby's Guns and Ammo, Brewton
North american arms Super companion
Best Gun Alternatives: No Ammo, No Problem! - Pew Pew Tactical
North American Arms True Black Widow - Handguns