Maryland law forbids anyone who has been convicted of a felony from possessing a firearm. In Maryland, many criminal convictions, even misdemeanors, can deprive someone of their right to own, possess, or use a firearm.It is unlawful to carry any firearm or deadly weapon of any kind on any public school property. As far as a person's criminal history, any criminal conviction with regards to a felony offense prohibits the person from ever owning or possessing a firearm. A presidential pardon is essentially the only way to restore your federal firearm rights if you've been convicted of a federal felony. A felony conviction or a domestic violence conviction results in a state and federal firearm ban. However, in Maryland, some rights are. Unlike many other states, Maryland does not have a provision in the state constitution for a "right to bear arms. The 1968 Gun Control Act and subsequent amendments codified at 18 U.S.C. § 921 et seq. In Maryland, certain criminal convictions can strip you of your Second Amendment right to keep and bear arms.