J.P. Gemmer's Rifling Machine Makes Barrels in 2025 | Muzzleloading History

Today we're headed to Friendship, Indiana to the National Muzzle Loading Rifle Association spring championship shoot. Have the opportunity to show you what is left of one of the original rifling machines from the Gemmer Hawin shop in St. Louis. We're going to be talking to Mark Brier, the current owner and user of this equipment, about some of this machine's history and use in 2025.