I'm just getting into reloading 308 and am considering trying out a 210 grain bullet in a load for a trip to Colorado shooting 1000 meters. I have a 1/10 twist 20 inch barrel on my long gun and am hoping to get 2400-2500 muzzle velocity so the bullet will stay supersonic at 1000 meters. Does anyone have load data for this? I'm hoping there will be enough room for powder in the case to achieve my target velocity. Any input is appreciated.
