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Thank you.Sinclair Bullet Comparator Insert 32 Calibre/8MM (0.323") Stainless Steel
The Sinclair Bullet Comparator inserts are meant to be used with the Sinclair Bullet Comparator and Bump Gauge Body or Hornady Comparator Body. These inserts are stainless steel and machined with a taper and a short straight section to more accurately duplicate the chamber throat. This...www.reloadingsolutions.com