compact with the United States was agreed upon and adopted by
the Commonwealth and the United States in 1787.
(4) Section 21 of Article I of the Constitution of
Pennsylvania clearly secures to the citizens of this
Commonwealth, and prohibits government interference with, the
right of individual citizens to keep and bear arms.
(5) The Federal and State constitutional guarantees
enumerated under paragraphs (1), (2), (3) and (4) are
inviolate and not subject to abrogation by unilateral
proclamation under a claim of Presidential executive
authority.
Section 4. Firearm regulation.
(a) Prohibition.--A personal firearm, a firearm accessory or
ammunition, that is manufactured commercially or privately in
this Commonwealth and that remains within the geographic
boundaries of this Commonwealth shall not be subject to
regulation purporting to derive from an executive order, rule or
regulation of the President of the United States or a Federal
executive agency.
(b) Applicability.--This section shall apply to a firearm, a
firearm accessory or ammunition, that is manufactured in this
Commonwealth from basic materials and that can be manufactured
without the inclusion of any significant parts imported from
another state. Generic and insignificant parts that have other
manufacturing or consumer accessories or ammunition, and their
importation into this Commonwealth and incorporation into a
firearm, a firearm accessory or ammunition, that is manufactured
in this Commonwealth shall not subject the firearm, firearm
accessory or ammunition to Federal regulation.
(c) Enforcement.--A person who restricts or attempts to
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