hammer forge

The old way, by cutting the rifling grooves into the barrel:

One of the new ways, by cold hammer forging the grooves in:

Frankly they are both frightening as hell!  The 2nd video isn’t specifically firearm related, but the process is similar.  I cringed every time that hammer came down and struck the object… that’s TONS of force per square inch.

To use a Workaholics reference… both processes are so tight butthole.

Thoughts?

Hat tip: Simon, Eric

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