If you’re checking COAL of your reloads a set of dial calipers is both safer and far more accurate than cycling the cartridges through your gun. Another issue of concern to consider when cycling cartridges is setback - pushing the bullet deeper into the case mouth. While it won’t affect headspace (the 9mm headspaces on the case mouth), it can affect cartridge pressures as well as feeding reliability.
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John 8:32
reive (riːv) vb (Military) (intr) dialect Scot and Northern English to go on a plundering raid
[variant of reave]
ˈreiver n e.g., " Some view the Border Reivers as loveable rogues."
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