According to my book on the 94 an early post war gun, which yours would be, should have a checkered flat steel plate. The only smooth steel plate shown has a slight rollover onto the comb and is from earlier guns.
Then again, after the war the were probably gearing back up for peacetime productionand were using parts that they had laying around. Have you pulled the buttstock off to see if there are any markings in the inletting??

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- Errol Flynn