when loading to mag length you still need to do seat depth tests,,start as long as you can for 100% function and load .005 shorter shooting 3 shot groups at your best charge weight,,sometimes your most accurate load can be as much as .100 shorter than just loading as long as you can to fit your mags,,Sierra Match Kings and Lapua Scenars shoot really well jumped,,and I shot the 250 Hornady BTHP in the 338LM I had from a magazine that was jumped almost .200 and shot well enough to hit 18inch plates at 1,500 yards,
I really like shooting PRS stuff just never shot in a match,,I shoot a Stiller Tac 30 action with 243 Win and 6.5x47L bbls in an AICS 1.5 with the spigot mounted Atlas bipod and 8-32 Sightron or 4.5-14 Leupold depending on how far the majority of shots will be,,
I am pretty good at makin 2nd round hits,,LOL
http://img.photobucket.com/albums/v411/ericleonard/33980867-9183-44d6-8379-26c4cf50db5c.jpg[img][/url][/quote]
That's the plan which is why I started at my max possible length.