How are barrels rifled? – Part 2 Button rifling
Part 1 by B.B. Pelletier First, the rifling broachBefore we begin, let me explain something I left out of Part 1, where I talked about cut-rifling. I explained how cut-rifling works, but I didn’t include the high-speed modern way of doing it, which is the rifling broach. Instead of just one cutting surface, a broach … Read more