Code of Federal Regulations Title 27, Volume 3, April 1, 2017 contains regulations governing Alcohol, Tobacco Products and Firearms and may also be referenced as: - Code of Federal Regulations Title 27, Volume 3, April 1, 2017 - CFR Title 27 - CFR 27, Alcohol, Tobacco Products and Firearms - CFR 27, Part 400 to End, Alcohol, Tobacco Products and Firearms This volume contains Part 400 to End: - Parts 400-446; Reserved - Part 447; IMPORTATION OF ARMS, AMMUNITION AND IMPLEMENTS OF WAR - Part 478; COMMERCE IN FIREARMS AND AMMUNITION - Part 479; MACHINE GUNS, DESTRUCTIVE DEVICES, AND CERTAIN OTHER FIREARMS - Part 555; COMMERCE IN EXPLOSIVES - Part 646; CONTRABAND CIGARETTES - Parts 647-699; Reserved