for my first few forms I simply put 'Reloaded Ammunition, reloaded by applicant John Doe 123 any Street, City, Postal Canada" I only ever drive across the border and have never had a problem. After a conversation with another shooter who flies a lot with his equipment I changed on my most recent form to "Custom Loads, Loaded my applicant......" He advised that some airlines had balked at letting him fly with reloads but have no issue with Custom loads. Either way I've always had my form approved and no issues at the border.