Section 1280.14 - Weapons and explosives(a) Federal law prohibits individuals to possess firearms or other dangerous weapons in Federal facilities unless the person is specifically authorized to possess such a weapon under 18 U.S.C. 930 . State-issued carry permits are not valid in Federal facilities. Violators are subject to fine and/or imprisonment for a period up to five years.(b) You are also prohibited from bringing or possessing explosives, or items intended for use in fabricating an explosive or incendiary device, either openly or concealed, on or in NARA property and facilities.