Compass Outdoors in flint will be holding a cinderblock archery challenge september 7th from 1-5pm. The cost is $25 per person. please call randy @ 810 813 7799 for more information or see compassoutdoors.org The cinderblock challenge will be a undisclosed yardage shot under 20 yds at a hole in the cinder block wall. the starting hole 16" x 8" if you hit the wall or miss the wall you are out. after the first round the hole gets smaller and so on. will be a BLAST litterally. thanks for looking hope to see you there. There are only20 spots left as of July 1st call me to reserve your spot. there will be nice prizes available to win.