Ok guys here is the delima....I m wanting to build a long range elk gun and think I want it to be 7mm. I know I want to shoot burger 168grain vld's because of their BC. Right now I am shooting a sako geywolf 270wsm. SOOOO Should I rebarrel the sako 270 wsm to a 7mm wsm, or just trade it for a sendero 7mm mag. Next question.... Berger says 10 inch twist for the 168, and sendero says its 9 and 1/4. Is this a problem? Thanks Bill