What is the standard rifle of the Mexican Army, and how many of those have somehow ended up in the hands of the drug cartels?
Last time I was down there (three years ago) the troops I saw were all carrying old H&K G-3s. And the odd FAL folder or two.
Weapons of the Mexican army
FX-05 Mexican made assault rifle 5.56x45mm NATO round
Heckler & Koch G3 7.62 assault rifle, made under Heckler & Koch licence
HK21E 7.62 machine gun. Made under license from Heckler & Koch
Heckler & Koch MP5 9x19mm Sub-macine gun.
Heckler & Koch UMP 45 ACP (11.43x23mm) Sub-machine gun
FN P90 5.7x28mm Sub-Machine gun used by army special forces
Heckler & Koch G36 Used in limited numbers 5.56x45mm NATO round
MK 19 grenade launcher 40 mm .
Beretta 92 Service Pistol.
M249 Squad Automatic Weapon and FN Minimi.
M-2 machine gun 12.7 mm .
Heckler & Koch MSG90 7.62x51mm NATO sniper rifle.
Barrett M82 .50 Caliber 12.7×99mm NATO sniper rifle
Milkor MGL 40 mm grenade launcher
MILAN anti-tank missiles. (559 transferred from Qatar in 2006)[2]
B-300 82 mm light anti-tank rocket.
Blindicide 81 mm light anti-tank rocket.
M40 106 mm recoilless rifle over High Mobility Multipurpose Wheeled Vehicle.
Brandt 60 mm LR Gun-mortar
Mk 19 grenade launcher 40mm automatic granade launcher.
M1 Mortar and M29 Mortar (75 Mortar of 120 mm and 1,500 Mortars between 60 mm and 81 mm)
Mondragon Fusil M1908 7x57mm automatic rifle used in ceremonial activities.
From wiki. Source unreliable.