Ultimate 1,000+ yard rig Long Range Hunting Forum. Jul 06, 2019 Love the.277,.284 Or .308 in a Magnum ya fast twist it, Friend had a 300 Dakota built, my big 30 is a 300win/mag which I'm Very happy with,she sports a 28 hvy ss/fluted Krieger bbl 1/10 twist,that 300 Dakota sported a Brux 28 hvy Palma ss/1/10 twist and was very Impressive to boot, In the 270 fast twist and 300 winmag necked ...