Galazan drop in chamber gauge---use on a Parker??
Like many collectors I use the Galazan brass drop in chamber gauge. My Galazan chamber gauge measures 2.790 in 12 ga. Based on tables in The Parker Story the small end of the chamber spec is 2.797 or 2.798 (depending on the era). So if you want an accurate measurement of a Parker 12ga you really need to use a 2.797 gauge---correct?
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