rl550

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    RL550 set up with off-the-press powder measuring?

    Need some help and advice. I'd like to measure powder using my Redding 3BR powder measure, RCBS 505 scale and Redding powder trickler to ensure the most accurate charges using Varget and others. My idea is to first size, clean, and prep brass. Then to use the 550 in a semi-progressive mode to...