Stated by the framers of the United States Constitution, Bill of Rights
A well regulated militia, being necessary to the security of a free state, the right of the people to keep and bear arms, shall not be infringed.
In accordance with Section 21 of the Constitution of the State of Pennsylvania:
§ 21. Right to bear arms.
The right of the citizens to bear arms in defense of themselves and the State shall not be questioned.
Pennsylvania Statutes and Consolidated Statutes, Title 18 (Crimes and Offenses), Part II, Article F. Offenses Against Public Order and Decency, Chapter 55 Riot, Disorderly Conduct and Related Offences
§ 5515. Prohibiting of paramilitary training.
(a) Definitions.–As used in this section the following words and phrases shall have the meanings given to them in this subsection:
“Civil disorder.” Any public disturbance involving acts of violence by assemblages of three or more persons, which causes an immediate danger of or results in damage or injury to the property or person of any other individual.
“Explosive or incendiary device.” Includes:
(1) dynamite and all other forms of high explosives;
(2) any explosive bomb, grenade, missile or similar device; and
(3) any incendiary bomb or grenade, fire bomb or similar device, including any device which:
(i) consists of or includes a breakable container including a flammable liquid or compound and a wick composed of any material which, when ignited, is capable of igniting such flammable liquid or compound; and
(ii) can be carried or thrown by one individual acting alone.
“Firearm.” Any weapon which is designed to or may readily be converted to expel any projectile by the action of an explosive; or the frame or receiver of any such weapon.
“Law enforcement officer.” Any officer or employee of the United States, any state, any political subdivision of a state or the District of Columbia and such term shall specifically include, but shall not be limited to, members of the National Guard, as defined in 10 U.S.C. § 101(9), members of the organized militia of any state or territory of the United States, the Commonwealth of Puerto Rico or the District of Columbia, not included within the definition of National Guard as defined by 10 U.S.C. § 101(9) and members of the armed forces of the United States.
(b) Prohibited training.–
(1) Whoever teaches or demonstrates to any other person the use, application or making of any firearm, explosive or incendiary device or technique capable of causing injury or death to persons, knowing or having reason to know or intending that same will be unlawfully employed for use in, or in furtherance of, a civil disorder commits a misdemeanor of the first degree.
(2) Whoever assembles with one or more persons for the purpose of training with, practicing with or being instructed in the use of any firearm, explosive or incendiary device or technique capable of causing injury or death to persons, said person intending to employ unlawfully the same for use in or in furtherance of a civil disorder commits a misdemeanor of the first degree.
(c) Exemptions.–Nothing contained in this section shall make unlawful any act of any law enforcement officer which is performed in the lawful performance of his official duties.
(d) Excluded activities.–Nothing contained in this section shall make unlawful any activity of the Game Commission, Fish and Boat Commission, or any law enforcement agency, or any hunting club, rifle club, rifle range, pistol range, shooting range or other program or individual instruction intended to teach the safe handling or use of firearms, archery equipment or other weapons or techniques employed in connection with lawful sports or other lawful activities.