In a large pot, bring juice, peaches w/ syrup, sugar, and cinnamon sticks to a boil.
Reduce heat and simmer for 45 minutes.
Remove from stove and allow mixture to cool to room temperature, then add the peach schnapps and grain alcohol. **CAUTION: Do not add alcohol near a flame or heat source. It is highly flammable. Make sure mixture is completely cooled before adding alcohol.
Stir well, then pour through a strainer layered with a cheesecloth to remove peaches and any pieces of the cinnamon sticks.
Divide peaches and cinnamon sticks evenly between the jars.
Ladle moonshine into clean mason jars, leaving a 1/2 inch head.
Place lids on jars and allow to sit in a cool, dry place for 8 weeks before enjoying.
Please enjoy responsibly.