How To Measure the Twist Rate of a Barrel

Discussion in 'Firearms' started by OldDude49, Sep 17, 2018.

  1. OldDude49

    OldDude49 Just n old guy

    may be useful?

  2. hot diggity

    hot diggity Monkey+++ Site Supporter+++

    I use the masking tape to make a little flag. Makes the observation a lot easier when doing it yourself.
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