Thanks for all the advice on remediation of the barrel surface.
Today we put it over the chronograph, the initial result was 304fps then climbing to 330 during which time we changed out the breech seal; that gave improved readings.
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Thanks for all the advice on remediation of the barrel surface.
Today we put it over the chronograph, the initial result was 304fps then climbing to 330 during which time we changed out the breech seal; that gave improved readings.
Last edited by slow_runner; 15-05-2018 at 04:38 PM.
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