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the "Other" section of the EE might be appropriate. You might also try FT central or Canadian Airgun forum websites as they are your intended audience. Might I ask what you are selling ? I'm active in FT in the Ottawa area and we always have people looking for stuff.
This is not the first time this has been brought up. They didn't do it then, they likely won't do it now. I'd try the Canadian Airgun Forum like others have mentioned.
CAF is great, but I've heard a few nasty stories about mods siding with retailers (even when the retailer was in the wrong) just cuz thats their bread and butter, and, jumping on the hate bandwagon themselves against their own users. I was on and met a few good people, but did see a couple of different threads that justified those stories, so I steer clear myself.
This is not the first time this has been brought up. They didn't do it then, they likely won't do it now. I'd try the Canadian Airgun Forum like others have mentioned.