It's factually untrue, which is what makes it bullshit.

https://torontosun.com/news/national/zero-evidence-available-federal-gun-grab

Yes, I know it's the Toronto Sun, but there are multiple sources for this out there.

Many police services came out to contest this "buyback" saying it would do nothing to help, and that the money should be spent on border enforcement.

How many x-ray scanners could we have installed at the border for $750 million?