@Shahin
My favourite 308 load is
45grs w748 powder and 165gr projectiles with federal large rifle primers. But work up to this in your rifle looking for any pressure signs.
Brass brand is not so important so long as it's all the same.
Get yourself a Lee case length gauge and cutter for 308 so you can trim your brass to length
See if you can find someone local to show you the basics too.
Cheers
Pete
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