Quote:
Originally Posted by Bill Murphy
00 or 000?
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For the few that don't have TPS ,Page 528 TPS , Written Quote , " Parker introduced two other frame sizes in later years . When the 410 bore was first developed about 1924 ,it was made on the 28 Gauge ,OO ,size frame . Then soon after ,but we do not know exactly when , Parker decided to make an even smaller frame for the 410 . The OOO Frame had a dimension between hammers of 13/16 of an inch . " End Quote " , I don't know if correct but is what is written on the subject ,I would still like to know the serial # of the earliest OO Frame 28 gauge !
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