Most of those toys are provided "free" by the federal government. Rifles that would cost the police a few thousand dollars can be purchased for (last time I looked, about a year ago) $20, as an example.
Wow - sounds like deliberate arming. But even if it doesn't cost the local department, it costs us in aggregate. (What's rational for the local government may still not be rational for the taxpayer)
The program used to be called DRMO, I can't find a price list online right now but here's a program page: https://www.dispositionservices.dla.mil/rtd03/leso/weapons.s...