Once upon a time many years ago I got a TC .56 barrel in amongst a deal. The bore was a little scaly but not bad. Well, it's been sitting forever and I'm still almost ready to send it off for .577 bore rifling. Was thinking about duplicating the five groove 48" twist such as the P58's had.
But then I got to thinking about (hmm, maybe a ) a little faster twist for different lengths and base styles.
So, what's the fastest twist any you fellas had tried in a .58?
What happened?