Mar 4-6 McGergor*** I get this list from the link below and other searches and I can't guarantee the accuracy of the list. If anyone notices a show that needs to be corrected, please let me know in the comments.
Mar 11-12 Clarinda, Page County Fairgrounds
Mar 11-12 Marshalltown, Marshall County Fairgrounds
Mar 12-13 Mason City, National Guard Armory
Mar 18-20 Des Moines, Iowa State Fairgrounds
Mar 25-27 Cedar Rapids, Hawkeye Downs
For more details go to Iowa Gun Shows