Achieving consistent 308 Winchester performance often involves meticulous reloading. This introductory guide emphasizes on a common combination: Sierra SMK 168 grain projectiles paired with Win 748 powder. https://h4350-vs-varget384196.sasugawiki.com/8145978/308_remanufacturing_primer_sierra_one_hundred_sixty_eight_grain_bullets_winchester_748_amount