Maryland Statutes
Subtitle 3 - Assault Weapons and Detachable Magazines
Section 4-305 - Detachable Magazines -- Prohibited

(a)    This section does not apply to:
        (1)    a .22 caliber rifle with a tubular magazine; or
        (2)    a law enforcement officer or a person who retired in good standing from service with a law enforcement agency of the United States, the State, or any law enforcement agency in the State.
    (b)    A person may not manufacture, sell, offer for sale, purchase, receive, or transfer a detachable magazine that has a capacity of more than 10 rounds of ammunition for a firearm.