---
kind: "section"
citation: "6 C.F.R. § 139.75"
title: "6"
number: "139.75"
heading: "Firearms, dangerous weapons, and explosives."
url: "https://uscodex.org/cfr/6/139.75"
---

# §139.75. Firearms, dangerous weapons, and explosives.

- (a) Any person on Federal property is prohibited from knowingly carrying or otherwise possessing a firearm or other dangerous weapon, as defined by 18 U.S.C. [921](/usc/18/921.md) and [930](/usc/18/930.md), whether carried or otherwise possessed either openly or concealed, unless authorized by [18 U.S.C. 930(d)](/usc/18/930.md?p=d).
- (b) Any person on Federal property is prohibited from knowingly carrying or otherwise possessing explosives, as defined by [18 U.S.C. 841](/usc/18/841.md), or items intended to be used to fabricate an explosive or incendiary device, whether carried or otherwise possessed either openly or concealed, except for official purposes as authorized by the Facility Security Committee, Designated Official, FPS, or other primary law enforcement agency responsible for the security of the Federal property.

## Notes

### Authority

Authority: 6 U.S.C. 203(3) and 232(a); 40 U.S.C. 586(c) and 1315.

### Source

Source: 90 FR 24218, June 9, 2025, unless otherwise noted.
