Was just on your site looking at ammo. You list UPS as only option for ammo. One 1000rd case of .223 to Newfoundland and estimated shipping was $110 and change! Not sure if taxes were included.
As much as I'd love to deal with you, there's no way I'm paying that much shipping for a single case of ammo. In comparison, I purchased 2240rnds of. 308 from CanadaAmmo, free shipping! Two crates of 7.62X39 from Tradex, free shipping. I even had a wooden gun crate with a weight of almost 300lbs shipped via truck from LeverArms for less than $180 bucks.
Please explore alternative carriers like Canpar, Day & Ross, etc... UPS aren't fit to deal with. Give your mailorder customers affordable options for shipping and they will come. I know I will.