Maryland Statutes
Subtitle 1 - General Provisions
Section 4-105 - Transfer of Switchblade or Shooting Knife

(a)    A person may not sell, barter, display, or offer to sell or barter:
        (1)    a knife or a penknife having a blade that opens automatically by hand pressure applied to a button, spring, or other device in the handle of the knife, commonly called a switchblade knife or a switchblade penknife; or
        (2)    a device that is designed to propel a knife from a metal sheath by means of a high-compression ejector spring, commonly called a shooting knife.
    (b)    A person who violates this section is guilty of a misdemeanor and on conviction is subject to imprisonment not exceeding 12 months or a fine of not less than $50 and not exceeding $500 or both.