The Boom Closet stocks is also the only Agency Arms dealer in either North or South Dakota, according to Boyll. “We do law enforcement, first responder and veteran discounts every day. “Our community is very patriotic, so having a place that supports law enforcement as well as the second amendment is meaningful.”The Boom Closet opens Saturday. It’s a bold statement, so we hope to live up to it.”The Boom Closet is located in Suite J at 3275 West Ridge Drive near Menards. RubyAnn Stiegelmeier / The Dickinson Press 2 / 2: More items inside The Boom Closet.