First post here. been lurking for years, great info and seems like a very helpful community. I have been reloading for a few years but this will be my first go with the Ultra Mag. Been shooting factory ammo through it. Remington 700 standard barrel - 26", standard length magazine. I will be using this primarily for Axis, Whitetail & Feral Hog at 200-450yds this year. I know, I don't need a RUM for this but variety is the spice, right? I'm thinking Nosler Partition 165gr at approx. 3100-3300fps, Remington Brass, CCI Match Mag primer.....what powder? Also info on seating depth would be helpful. I have RL-25 & H1000 on hand but I'm open to others if one shines over the rest. Would just like to get some experienced advice. Any suggestions are appreciated. Thanks in advance.