Postal Explorer > Publication 52 - Hazardous, Restricted, and Perishable Mail > 4 Restricted Matter > 43 Firearms > 433 Mailer Responsibility
Even though certain types of firearms are permitted to be mailed within the provisions of the postal law in 18 U.S.C. 1715, it is the mailer’s responsibility to comply with all federal and state regulations and local ordinances affecting the movement of firearms.