Sinclair bump gages

Discussion in 'Reloading' started by gunaddict, Apr 19, 2010.

  1. gunaddict

    gunaddict Well-Known Member

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    I just got my new sinclair bump gages and i was wondering if anyone has used these? Instructions say to measure 10 to 20 fired cases. Are there alot of variances in that amount of fired cases? Thanks Todd
     
  2. boomtube

    boomtube Well-Known Member

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    "Are there alot of variances in that amount of fired cases? "

    Yes. And in resized ones too. Well, not a "lot" but some. Differences in brass alloy/hardness insures a bit of variation even in the same batch.
     
  3. gunaddict

    gunaddict Well-Known Member

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    Well thanks for your reply. I guess I won't know until I try the bump guages.Hopfully I did not waste my money. Thanks