Re: Best barrel length and twist? 243-
I'm shooting a Surgeon 6XC. It's using a Rock 1:7.5 twist barrel, and I'm pushing the DTAC to 2950 fps w/ RE-17. Before I picked a 7.5 twist barrel, I talked to David Tubb and Gary Schneider. Both encourage me to get a 7.5. Both of them are far smarter than I, so it's hard to disregard their recommendations.
It's quite accurate, and has no stabilization problems in cold weather. FWIW, I'm at sea level.
The replacement barrel is in the basement, it's a 1:7.5 Schneider 5P.