---
kind: "unit"
title: "27"
title_heading: "Alcohol, Tobacco Products and Firearms"
key: "chII/subchB"
level: "subchap"
label: "Subchapter B"
heading: "Firearms and Ammunition"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/27/chII-subchB"
sections_count: 226
---

# Subchapter B — Firearms and Ammunition

Title 27 C.F.R. — Alcohol, Tobacco Products and Firearms › Chapter II — Bureau of Alcohol, Tobacco, Firearms, and Explosives, Department of Justice

## Contents

- [Part 400-446 — Parts 400-446 [reserved]](/cfr/27/chII-subchB-part400-446.md)
- [Part 447 — Importation of Arms, Ammunition and Implements of War](/cfr/27/chII-subchB-part447.md)
- [Part 478 — Commerce in Firearms and Ammunition](/cfr/27/chII-subchB-part478.md)
- [Part 479 — Machine Guns, Destructive Devices, and Certain Other Firearms](/cfr/27/chII-subchB-part479.md)