Tuning Edgun Matador Green stock Issue

Hi AGN, I bought a new stock from EdgunWest for my Matador in .22 cal. The problem is the hole towards the trigger is too big for the regular screws that came with the gun that held it to the original black synthetic stock. Where there is the only 1 hole on the new stock that holds the stock to the gun,, there is 3 on the original stock. Am I missing something? Should I just buy a washer? 

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