Mount Union, Pennsylvania — Mount Union is a borough in Huntingdon County, Pennsylvania, situated on the Juniata River approximately 44 miles southeast of Altoona. This area has a history rooted in refractory material production and features the Mount Union Historic District, which includes over 300 significant historic structures listed on the National Register.This page organizes FFL dealer listings associated with Mount Union, Pennsylvania within the directory’s location hierarchy. Visitors can keep browsing focused on the named place, move through its surrounding geography, and open individual listings for record-specific information. The page remains centered on the location itself while the catalogue can change independently. Use the hierarchy to return to broader place pages or continue toward a more specific community. Each step keeps the browsing path anchored to a named place and its surrounding geographic context.