Powder and primer transport(hazmat) expenses: relates to primers and powders in catalog. Hazmat premiums are per bundle. You might obtain as much as 70 lbs for every bundle and will combien powder and primers, but powder should be limited to not more than 32 lbs for every package. We have https://meridian-firearms.com/product-category/smokeless-powder-in-stock/winchester-powder-for-sale/