Shane,
I don't know, that '06 of yours with a 175 grain MK would probably work well. You just need to keep the velocity above the speed of sound at 1000 yds, which is about 1100 fps IIRC.
BTW, any time you guys want to come out to Tuson and shoot, you have a place to stay...........The matches are the second Sat of each month, start 0700, and last about 5 hours.
Blaine
