![Machining at Springfield Armory - Springfield Armory National Historic Site (U.S. National Park Service) Machining at Springfield Armory - Springfield Armory National Historic Site (U.S. National Park Service)](https://www.nps.gov/spar/learn/historyculture/images/SA_rifling_c1861.jpg?maxwidth=1300&maxheight=1300&autorotate=false)
Machining at Springfield Armory - Springfield Armory National Historic Site (U.S. National Park Service)
Precihole' NEW Button Rifling Machine with Built-in Automation Capabilities | Precihole's Button Rifling machines incorporate the latest features to form precision grooves in small caliber weapon systems. The rifling button is...
![War work in the groove. A modern rifling machine cutting the grooves in a gun barrel - PICRYL - Public Domain Media Search Engine Public Domain Search War work in the groove. A modern rifling machine cutting the grooves in a gun barrel - PICRYL - Public Domain Media Search Engine Public Domain Search](https://cdn4.picryl.com/photo/1940/01/01/war-work-in-the-groove-a-modern-rifling-machine-cutting-the-grooves-in-a-gun-1024.jpg)