4-H Discount at Crosshairs Paintball August 29, 2017 | rees.139 4-H Discount (50%) offered by Crosshairs Paintball, 18445 Proper Road, Mount Vernon, OH, Phone: 740-392-0730. Coupon cards are available at the OSU Extension office for 50% off the rental package until the end of the 2017 season. Related