Upload & Sell: On
This will open a can of worms. But, looks like they are still in the USA.
I've emailed RRS and asked them for clarification, but I haven't heard back from them yet.
I emailed B&H customer service about it the first time it happened, but never got a response. Normally goods from the USA are duty-free under NAFTA, but when the country of origin is a place like Afghanistan, these items are subject to duty and brokerage charges coming into Canada.