Las+Armas+que+Usan+los+Pandilleros

=Armas =

revólveres, una escopeta recortada y armas de fuego automáticas,
====como ametralladoras Uzi, rifles AK-47, pistolas o revólveres semiau- ====

http://safestate.org/documents/GYV_Pandillas_Una_Respuesta_Com_part_2.pdf
English Version

Weapons The weapons used by gangs may include baseball bats sharp, pieces of pipe taped at their tips, bracelets with spikes, tear chemicals, knives, revolvers, a shotgun and cut automatic firearms, as Uzi machine guns, AK-47 rifles, pistols or revolvers semiau - tomatics 9 mm. Gang members have also used homemade bombs and Molotov cocktails. In some cases members gang have been arrested with hand grenades. Also can use weapons made of non-metallic substances such as plastic knives. They can easily pass through a detector metals. The weapons also can be hidden, like a knife in a pen or a lipstick tube, or in the duct air conditioner of a car. The guns have been hidden in video cameras, in the measuring of air pressure car tires, communicators and even cell phones.

Conceal weapons has become common to many gangs.