San Marcos Gun Show Show Details 📍 Location: San Marcos, Texas City Of San Marcos Conference Center 1001 E McCarty Ln ⏰ Hours: Saturday 9:00 AM to 6:00 PM Sunday 9:00 AM to 4:00 PM 🎟️ Admission: $15 The San Marcos Gun Show is held in San Marcos, TX by Texas Gun Shows at the City Of San Marcos Conference Center. Contact Promoter 📞 Phone: 210-844-9599 ✉️ Email: Texasgunshows@gmail.com 🌐 Website: Visit Site