Introduction - How To Use This Guidebook - General Overview Policies & Procedures Policies & Procedures Overview Import Requirements for Firearms & Ammunition ATF 4590 ? Factoring Criteria for Weapons Restricted Importation Conditional Importation Arms Exports Control Act Types of Forms Applications Processing ATF Form 6 Part I Processing ATF Form 6A Forms Required for Importation Sample of Required Forms ATF Form 6 Exemptions General Information Types of Importers Sales and Sales Samples Import Activities in FTZ / CBW Surplus Military Firearms and Ammunition Excise Tax Recordkeeping Requirements Firearms Verification Firearms Verifications Overview Gun Control Act Definitions Firearm Antique Firearm Ammunition Silencer Pistol Revolver Rifle Shotgun National Firearms Act Definitions Firearm Silencer Machinegun Any Other Weapon Destructive Device Antique Firearm Terminology & Nomenclature Handgun ? Pistol Handgun ? Revolver Bolt Action Lever Action Self-Loading Action (Semiautomatic) Slide/Pump Action Top Break Action Machinegun Destruction Last Reviewed March 1, 2019