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Old 03-27-2020, 11:46 AM
Ivan the Butcher Ivan the Butcher is offline
Join Date: Jan 2008
Location: Harlem, Ohio
Posts: 8,657
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When I upgraded from 450 to 550b the primer magazine screws allowed slight adjustment left and right of the primer bar. The line of travel was very picky, like .002 or .004" of wiggle room, but it sure made a difference in smooth primer feed.

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