Mexico has strict gun control, with a ban on military-style guns and calibers, exactly one gun store in the entire nation, along with gun (and gun owner) registration. What’s more, Mexico imposes long prison terms for possession of a single round of prohibited ammunition.
https://www.thetruthaboutguns.com/a...y-armed-drug-cartels-defeat-mexican-military/
https://www.thetruthaboutguns.com/a...y-armed-drug-cartels-defeat-mexican-military/