Winchester 231 Ball Powder from Canada
Winchester 231 is a spherical ball propellant widely used in .38 Special and 9mm reloading for its consistent velocity. Classified under HTS 3601.00.00.00 as a smokeless propellant powder for pistols.
Duty Rate — Canada → United States
13.25%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Batch test for ball powder uniformity to prevent metering issues claims
• Secure dual ATF approval for powder and hazmat handling
• Package in 1-lb cans max for easier customs release