Originally Posted by Robinhood Sierras accuracy load is RE-15 24.1 grs. @2750 fps/1293 ft.lbs. They used Rem 7 1/2 primers. I drop a few tenths of a grain with CCI. What powder scale? Make and condition of brass? Either RCBS electric or Redding balance beam and they both weigh to same each time.Brass is Winchester,Once fired..
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