The BIG St. Louis County Gun Show Next Show: October 16 - 18, 2026 Show Details 📍 Location: STL Athletic Center 2300 Hitzert Ct Fenton, Missouri 63026 View on Maps 🗓️ Upcoming Dates: Oct 16 - 18, 2026 🎟️ Admission: $14.00 Contact Promoter 📞 Phone: +1-610-486-7469 🌐 Website: Visit Site