You'll find a massive selection of firearms and related items such as ammunition, handguns, rifles, shotguns, magazines, scopes, optics, thermals, knives, military surplus, and much more at the North IA Event Center Gun Show. The event will take place from July 3 to July 6, 2025, in Mason City, IA, and is hosted by Midwest Event Promotions. Admission is $10 for a day pass or $14 for the entire weekend. Grab a friend and come down to our four-day 4th of July weekend show! All federal and local firearm laws and ordinances must be obeyed. The North IA Event Center Gun Show will be held on Jul 3rd – 6th, 2025 in Mason City, IA. This Mason City gun show is held at North Iowa Event Center and hosted by Midwest Event Promotions.