Currently I have a .260 and 300WSM set up for longer range target and hunting applications. I have a decent stockpile of 6.5 bullets and powders and the majority of parts needed for a 6.5 CM bolt gun build. The majority of threads I have gone thru have stated that 24in is the minimum most...
http://benchrest.com/forums/showthread.php?t=59803
Click the above link for info on 600yd match in Gallipolis, OH. $12 entry with $9 of it going back to the winning shooters. Looks like they shoot 2-3 matches during the day.
Rob