I have a few ideas for you si but it has to be minimum 45m. 1, shooting through a polo
2,Stanley knife blade stuck in on it's point 2 beer cans behind at either side shot at the blade split the pellet and knock the 2 cans over
3,match stuck in with red Flint bit on top scratch the top of the match with a pellet shot to see if you can light the match
4,