Black River Gun Show Show Details 📍 Location: Venue: Black River Coliseum 301 S Fifth St Poplar Bluff, Missouri 63901 View on Maps ⏰ Hours: N/A 🎟️ Admission: $10 The Black River Gun Show is held in Black River Coliseum located in Poplar Bluff, MO by Semo Gun Shows. Contact Promoter 📞 Phone: 573-233-6035