I am pretty sure you?re premise is incorrect. The cartels are heavily-armed for sure. They have a ton of small arms: AK-47s, AR-15 style rifles modified to function like M-16s, .50 caliber machine guns, grenade launchers and even rocket launchers. In some ways, they are close to being on-par with the Mexican military. However, they won?t risk being at the wrong end of the U.S. Military?s wrath. Read Also : Can anyone explain me what is ChatGPT?