Appalachian Barn Gun Kit — Caliber lineup

Barn Gun calibers are .32, .36, .40, .45, and .50 cut rifling, plus a .50 smoothbore option.

Category: Options & VariantsTopics: Barn Gun, .32 Caliber, .36 Caliber, .40 Caliber, .45 Caliber, .50 Caliber, Rifled, SmoothboreLast verified: 2026-07-25Also called: gun, rifle, muzzleloader, muzzle loader, firearm, barn gun, appalachian, smoothbore, smooth bore, smooth