Southern Mountain Rifle .40 rifling depth

On a .40 caliber Southern Mountain Rifle, the rifling depth is 0.01 to 0.02 inch.

Category: Parts & ComponentsTopics: Southern, Lock, Barrel, .40 CaliberLast verified: 2026-07-25Also called: gun, rifle, muzzleloader, muzzle loader, firearm, southern mountain, SMR, poor boy, lock, flintlock, firing mechanism, barrel, tube