im getting a red dot saturday and just found out my guin has different rails than solid rail i have .is one picitanny and other weaver ?. the mounted one in pic is what i think is weaver or certain size 1913 and the one im my hand is what im trying to find . my neighbor said he couldnt get the red dot to mount to his crossbow so he's giving it to me i think his bow had a weaver rail.is there difference tapped holes models etc sizes for rails ? not length wise but hole place ment
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