How hard would it be for you to adapt that to your Swamp Dragon?
Not hard at all
Sabotloader.
1. Buy a 3/4x16 bolt to fabricate a breech plug, a 3/8" bolt to fabricate a powder drum, an aluminum tube for the rear ramrod pipe/forend mount, and a coupling nut for the front ramrod pipe.
2. The cutting, drilling, tapping, and installing of those components would take three or four hours.