https://en.wikipedia.org/wiki/Firearms_regulation_in_Mexico

Type of firearms permitted

In regard to what type of firearms are permitted, Title II, Chapter I, Article 9 of the Federal Law of Firearms and Explosives states:

(translated) It may be kept or carried, under the terms and limitations established by this law, weapons of the following characteristics:[27]

Semi-automatic handguns of caliber no greater than .380 (9mm Browning, 9mm Corto, 9mm Kurz, 9mm Short, and 9×17mm). Left excepted are calibers .38 Super and .38 commander, and also calibers 9mm. [Such as] Mauser, Luger, etc., as well as similar models of the same caliber of the excepted, from other brands.
Revolvers of calibers no greater than .38 Special, left excepted is caliber .357 magnum.
Land tenure owners, common land owners and farmworkers outside urban zones, may keep and carry, upon registration, one weapon of those already mentioned, or a .22 caliber rifle, or a shotgun of any caliber, except those of a barrel length shorter than 25 inches (635mm) and of caliber greater than 12 gauge (.729" or 18.5 MM).


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