I just picked up a Weatherby Arroyo Range Certified in 338-378 and man it's a thing of beauty - but I've had one heck of a time getting it to shoot any better than 7/8" consistently. I've tried OCW testing using 300 Bergers, 280 ELR's, 252 CE's, 250 Bergers - all behind N570.
I know there are...