In response to the OP. Look up the 'Ladder Method' of load development. I have used it to good measure with a couple of the more accurate rifles I've owned, one of them being a Remington 700VLS .308. Once you get some points to play with from shooting the 'ladder', experimentation can and will produce some very accurate, and very consistant loads.

BTW, my most accurate .308 load was a Sierra 168 Matchking just barely kissing the lands, over a near max charge of Varget and Fed210M's in neck sized Lapua Brass. I got that load to shoot in the .4's (5shot) on a calm afternoon.