not exactly sure. i am a 308 reloader and shooter. looking to upgrade. want something to drive tacks with.
Some questions which might help you decide.
What maximum range to you want to shoot?
Are you more interested in first shot accuracy or group size?
What energy or momentum do you need to deliver to the target?
Rank these as being most likey to limit your accuracy. Where should you direct your money, time, and effort? The order is less impotant than thinking about error size from each item.
The ballistics of the cartridge and bullet you choose.
Velocity variation of the ammo you use.
The rifle's inherent accuracy (100 yard groups)
Your ability to aim and fire the rifle ( hold, trigger, breathing)
Your ability to calculate the trajectory (first shot accuracy only)
Your ability to estimate wind deflection. (absolute and shot to shot)
Scope performance.
Your budget for the rifle, scope, and ammo.
Is a 338 Lapua the best choice to accomplish what you want?