In the wake of several of the deadliest mass shootings in United States history, HeinOnline is offering this new collection free of charge in order to provide a platform for research and promote civil discourse on the myriad issues related to gun regulation. The collection brings together more than 500 titles dealing with this difficult and important topic. Included are periodicals, key compiled federal legislative histories, relevant congressional hearings, CRS Reports, Supreme Court briefs, and more.  The collection also offers an extensive bibliography and a balanced selection of external resources to further research this subject.