School me on black powder revolvers!

[dalek]

The reason he would have burned his left arm is he was holding the revolving carbine like a regular rifle. With a revolver hot gases escape from between the front of the cylinder and barrel/forcing cone area. So many people handle these wrong and end up hurting themselves and never understand why.

Because witchcraft

With that said, someone could grab a welding glove and make it more westerny so it would not look out of place.

 

[NKD]

The reason he would have burned his left arm is he was holding the revolving carbine like a regular rifle. With a revolver hot gases escape from between the front of the cylinder and barrel/forcing cone area. So many people handle these wrong and end up hurting themselves and never understand why.

As I understood it, he owned it and had shot it many times.

This was multiple cyclinders discharging. There was many people around experienced in black powder rifles and revolvers of all sorts.