I own an Accumark 338 Lapua. It will shoot .5 or less moa with 300 gr. Berger Elite Hunter and H1000, Retumbo, or RL33. My favorite load is 99.5 grains of RL33, Lapua brass, and Federal 215 primers. Velocity averages around 2750 fps with low SD and ES. I have had it up to 2800 fps, but the...