This is intended to be a complete caliber list of all Ruger No. 1’s that were commercially produced.  It does not include the “one of a kind” chamberings that have been made.  204 Ruger,  218 Bee,  22 Hornet,  222 Rem,  223,  22 PPC,  22-250 Rem,  220 Swift,  6mm PPC,  6mm Rem,  243 Win,  250 Savage,  … Continue reading Ruger No. 1 Caliber List and Production Data