IMR 4064 Smokeless Rifle Powder from Japan
IMR 4064 is a medium-burn-speed smokeless propellant powder designed for reloading rifle cartridges such as .223 Remington and .308 Winchester. It falls under HTS 3601.00.00.00 as a propellant powder, specifically a single-base extruded powder used in small arms ammunition.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Obtain ATF permits for importing propellant powders as they are classified as explosives; ensure proper UN/DOT hazardous materials documentation
• Verify burn rate and composition labeling to avoid misclassification with blasting agents under Chapter 36 heading 3602
• Store and ship under temperature-controlled conditions to prevent degradation, complying with IMDG and IATA regulations