Powder charge in Norma brass and Lupua

Worker

New member
Ok shooting my 6x284. Lupua brass holds 1gr more powder then Norma . Norma brass weights about 5grs more then Lupua. In Norma brass 53grs of Re#17 behind a Nosler 90gr BT was max. How would an identical powder bullet combo work out in the lighter Lupua case that has slightly greater case capacity work out. Would there be less pressure signs ?
 
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