Could you mod this to be solid for home defence

https://www.tactical24.eu/en/umarex-home-defense-revolver-ram-t4e-hdr-68-16-jou.html

16 joules stock. Id figure if that would be 50 and you use the rubber shots you gon be dizzy for a while.

Ofc not for americans, but eu brahs who dont have to worry about a blik