What you intend to do with your new rile determines to a degree the direction you want to go.
The .308 is probably the most tested and documented round with regards to load development. I have always felt that most of the bullets for that particular cartridge are lacking in the BC department so I push the 308 hard. If you are not shooting any distance or you don't have a range to explore the strengths and weaknesses, it is not necessary to push the 308 hard to get accuracy. A 10 twist barrel will shoot 150 class bullets, however in my opinion easy accuracy results are much better for the 168 and the 175 class bullets. H Varget, Reloder 15, IMR 4064, are some of the most popular powders. There are some other great powders but the majority of bolt action shooters are using these.
"Super accuracy" with the 308 is found in accuracy and repeatability of the the powder scale. Consistent or even neck tension throughout the quantity of brass you are shooting. Primers are not as important at short range as they are long range but the FGMM LR and the CCI200 or BR2 ore a good start.
If you don't have components ye, start with Varget and 168 SMK's. CCI 200 or FGMM primers. Start with new brass of Lapua or winchester. You should find some success near the middle with charges between 42.5-43.0. on the higher end 44.0 to 45.0 with some longer throats up to 46 grains.
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